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Finding the Fourth Proportional to 63,592.07, 87,757.40 and 39,732.58

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Solution

The fourth proportional to 63,592.07, 87,757.40 and 39,732.58 is: 54,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,592.07 : 87,757.40 = 39,732.58 : x
  2. Step 2: Convert to fraction form
    63,592.07/87,757.40 = 39,732.58/x
  3. Step 3: Cross multiply
    63,592.07x = 87,757.40 × 39,732.58
  4. Step 4: Simplify right side
    63,592.07x = 3,486,827,916.09
  5. Step 5: Solve for x
    x = 3,486,827,916.09/63,592.07
  6. Step 6: Final answer
    x = 54,831.17

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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.