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Finding the Fourth Proportional to 63,614.76, 87,787.92 and 35,320.56

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Solution

The fourth proportional to 63,614.76, 87,787.92 and 35,320.56 is: 48,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,614.76 : 87,787.92 = 35,320.56 : x
  2. Step 2: Convert to fraction form
    63,614.76/87,787.92 = 35,320.56/x
  3. Step 3: Cross multiply
    63,614.76x = 87,787.92 × 35,320.56
  4. Step 4: Simplify right side
    63,614.76x = 3,100,718,495.64
  5. Step 5: Solve for x
    x = 3,100,718,495.64/63,614.76
  6. Step 6: Final answer
    x = 48,742.12

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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.