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Finding the Fourth Proportional to 63,863.62, 88,131.78 and 35,569.30

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Solution

The fourth proportional to 63,863.62, 88,131.78 and 35,569.30 is: 49,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,863.62 : 88,131.78 = 35,569.30 : x
  2. Step 2: Convert to fraction form
    63,863.62/88,131.78 = 35,569.30/x
  3. Step 3: Cross multiply
    63,863.62x = 88,131.78 × 35,569.30
  4. Step 4: Simplify right side
    63,863.62x = 3,134,785,722.35
  5. Step 5: Solve for x
    x = 3,134,785,722.35/63,863.62
  6. Step 6: Final answer
    x = 49,085.63

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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.