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Finding the Fourth Proportional to 58,531.68, 87,793.89 and 36,046.64

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Solution

The fourth proportional to 58,531.68, 87,793.89 and 36,046.64 is: 54,067.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,531.68 : 87,793.89 = 36,046.64 : x
  2. Step 2: Convert to fraction form
    58,531.68/87,793.89 = 36,046.64/x
  3. Step 3: Cross multiply
    58,531.68x = 87,793.89 × 36,046.64
  4. Step 4: Simplify right side
    58,531.68x = 3,164,674,540.26
  5. Step 5: Solve for x
    x = 3,164,674,540.26/58,531.68
  6. Step 6: Final answer
    x = 54,067.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.