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Finding the Fourth Proportional to 67,902.04, 93,700.48 and 37,687.40

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Solution

The fourth proportional to 67,902.04, 93,700.48 and 37,687.40 is: 52,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,902.04 : 93,700.48 = 37,687.40 : x
  2. Step 2: Convert to fraction form
    67,902.04/93,700.48 = 37,687.40/x
  3. Step 3: Cross multiply
    67,902.04x = 93,700.48 × 37,687.40
  4. Step 4: Simplify right side
    67,902.04x = 3,531,327,469.95
  5. Step 5: Solve for x
    x = 3,531,327,469.95/67,902.04
  6. Step 6: Final answer
    x = 52,006.21

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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.