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Finding the Fourth Proportional to 67,902.77, 93,704.01 and 37,686.53

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Solution

The fourth proportional to 67,902.77, 93,704.01 and 37,686.53 is: 52,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,902.77 : 93,704.01 = 37,686.53 : x
  2. Step 2: Convert to fraction form
    67,902.77/93,704.01 = 37,686.53/x
  3. Step 3: Cross multiply
    67,902.77x = 93,704.01 × 37,686.53
  4. Step 4: Simplify right side
    67,902.77x = 3,531,378,515.47
  5. Step 5: Solve for x
    x = 3,531,378,515.47/67,902.77
  6. Step 6: Final answer
    x = 52,006.40

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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.