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Finding the Fourth Proportional to 63,691.91, 87,914.41 and 41,030.83

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Solution

The fourth proportional to 63,691.91, 87,914.41 and 41,030.83 is: 56,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,691.91 : 87,914.41 = 41,030.83 : x
  2. Step 2: Convert to fraction form
    63,691.91/87,914.41 = 41,030.83/x
  3. Step 3: Cross multiply
    63,691.91x = 87,914.41 × 41,030.83
  4. Step 4: Simplify right side
    63,691.91x = 3,607,201,218.58
  5. Step 5: Solve for x
    x = 3,607,201,218.58/63,691.91
  6. Step 6: Final answer
    x = 56,635.16

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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.