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Finding the Fourth Proportional to 69,188.25, 103,782.38 and 22,441.13

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Solution

The fourth proportional to 69,188.25, 103,782.38 and 22,441.13 is: 33,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,188.25 : 103,782.38 = 22,441.13 : x
  2. Step 2: Convert to fraction form
    69,188.25/103,782.38 = 22,441.13/x
  3. Step 3: Cross multiply
    69,188.25x = 103,782.38 × 22,441.13
  4. Step 4: Simplify right side
    69,188.25x = 2,328,993,250.17
  5. Step 5: Solve for x
    x = 2,328,993,250.17/69,188.25
  6. Step 6: Final answer
    x = 33,661.69

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.