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Finding the Fourth Proportional to 58,550.67, 87,853.17 and 18,575.96

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Solution

The fourth proportional to 58,550.67, 87,853.17 and 18,575.96 is: 27,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,550.67 : 87,853.17 = 18,575.96 : x
  2. Step 2: Convert to fraction form
    58,550.67/87,853.17 = 18,575.96/x
  3. Step 3: Cross multiply
    58,550.67x = 87,853.17 × 18,575.96
  4. Step 4: Simplify right side
    58,550.67x = 1,631,956,532.53
  5. Step 5: Solve for x
    x = 1,631,956,532.53/58,550.67
  6. Step 6: Final answer
    x = 27,872.55

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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.