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Finding the Fourth Proportional to 63,616.71, 87,719.34 and 52,095.69

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Solution

The fourth proportional to 63,616.71, 87,719.34 and 52,095.69 is: 71,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,616.71 : 87,719.34 = 52,095.69 : x
  2. Step 2: Convert to fraction form
    63,616.71/87,719.34 = 52,095.69/x
  3. Step 3: Cross multiply
    63,616.71x = 87,719.34 × 52,095.69
  4. Step 4: Simplify right side
    63,616.71x = 4,569,799,543.64
  5. Step 5: Solve for x
    x = 4,569,799,543.64/63,616.71
  6. Step 6: Final answer
    x = 71,833.32

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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.