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Finding the Fourth Proportional to 62,801.84, 93,823.12 and 40,432.88

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Solution

The fourth proportional to 62,801.84, 93,823.12 and 40,432.88 is: 60,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,801.84 : 93,823.12 = 40,432.88 : x
  2. Step 2: Convert to fraction form
    62,801.84/93,823.12 = 40,432.88/x
  3. Step 3: Cross multiply
    62,801.84x = 93,823.12 × 40,432.88
  4. Step 4: Simplify right side
    62,801.84x = 3,793,538,952.19
  5. Step 5: Solve for x
    x = 3,793,538,952.19/62,801.84
  6. Step 6: Final answer
    x = 60,404.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.