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Finding the Fourth Proportional to 63,395.87, 87,489.02 and 35,101.55

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Solution

The fourth proportional to 63,395.87, 87,489.02 and 35,101.55 is: 48,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,395.87 : 87,489.02 = 35,101.55 : x
  2. Step 2: Convert to fraction form
    63,395.87/87,489.02 = 35,101.55/x
  3. Step 3: Cross multiply
    63,395.87x = 87,489.02 × 35,101.55
  4. Step 4: Simplify right side
    63,395.87x = 3,071,000,516.46
  5. Step 5: Solve for x
    x = 3,071,000,516.46/63,395.87
  6. Step 6: Final answer
    x = 48,441.65

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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.