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Finding the Fourth Proportional to 33,649.76, 50,474.81 and 8,688.11

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Solution

The fourth proportional to 33,649.76, 50,474.81 and 8,688.11 is: 13,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,649.76 : 50,474.81 = 8,688.11 : x
  2. Step 2: Convert to fraction form
    33,649.76/50,474.81 = 8,688.11/x
  3. Step 3: Cross multiply
    33,649.76x = 50,474.81 × 8,688.11
  4. Step 4: Simplify right side
    33,649.76x = 438,530,405.69
  5. Step 5: Solve for x
    x = 438,530,405.69/33,649.76
  6. Step 6: Final answer
    x = 13,032.20

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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.