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Finding the Fourth Proportional to 63,812.70, 88,060.02 and 35,517.78

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Solution

The fourth proportional to 63,812.70, 88,060.02 and 35,517.78 is: 49,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,812.70 : 88,060.02 = 35,517.78 : x
  2. Step 2: Convert to fraction form
    63,812.70/88,060.02 = 35,517.78/x
  3. Step 3: Cross multiply
    63,812.70x = 88,060.02 × 35,517.78
  4. Step 4: Simplify right side
    63,812.70x = 3,127,696,417.16
  5. Step 5: Solve for x
    x = 3,127,696,417.16/63,812.70
  6. Step 6: Final answer
    x = 49,013.70

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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.