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Finding the Fourth Proportional to 63,565.80, 87,715.94 and 36,696.04

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Solution

The fourth proportional to 63,565.80, 87,715.94 and 36,696.04 is: 50,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,565.80 : 87,715.94 = 36,696.04 : x
  2. Step 2: Convert to fraction form
    63,565.80/87,715.94 = 36,696.04/x
  3. Step 3: Cross multiply
    63,565.80x = 87,715.94 × 36,696.04
  4. Step 4: Simplify right side
    63,565.80x = 3,218,827,642.88
  5. Step 5: Solve for x
    x = 3,218,827,642.88/63,565.80
  6. Step 6: Final answer
    x = 50,637.73

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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.