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Finding the Fourth Proportional to 23,347.69, 32,220.21 and 12,737.68

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Solution

The fourth proportional to 23,347.69, 32,220.21 and 12,737.68 is: 17,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,347.69 : 32,220.21 = 12,737.68 : x
  2. Step 2: Convert to fraction form
    23,347.69/32,220.21 = 12,737.68/x
  3. Step 3: Cross multiply
    23,347.69x = 32,220.21 × 12,737.68
  4. Step 4: Simplify right side
    23,347.69x = 410,410,724.51
  5. Step 5: Solve for x
    x = 410,410,724.51/23,347.69
  6. Step 6: Final answer
    x = 17,578.22

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Find fourth proportional to 11,673.85, 16,110.11 and 6,368.84
Half scale
Find fourth proportional to 46,695.38, 64,440.42 and 25,475.36
Double scale
Find fourth proportional to 23,348.69, 32,221.59 and 12,738.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.