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Finding the Fourth Proportional to 58,626.91, 87,939.14 and 14,253.89

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Solution

The fourth proportional to 58,626.91, 87,939.14 and 14,253.89 is: 21,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,626.91 : 87,939.14 = 14,253.89 : x
  2. Step 2: Convert to fraction form
    58,626.91/87,939.14 = 14,253.89/x
  3. Step 3: Cross multiply
    58,626.91x = 87,939.14 × 14,253.89
  4. Step 4: Simplify right side
    58,626.91x = 1,253,474,828.25
  5. Step 5: Solve for x
    x = 1,253,474,828.25/58,626.91
  6. Step 6: Final answer
    x = 21,380.54

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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.