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Finding the Fourth Proportional to 58,647.18, 87,900.24 and 27,013.74

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Solution

The fourth proportional to 58,647.18, 87,900.24 and 27,013.74 is: 40,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,647.18 : 87,900.24 = 27,013.74 : x
  2. Step 2: Convert to fraction form
    58,647.18/87,900.24 = 27,013.74/x
  3. Step 3: Cross multiply
    58,647.18x = 87,900.24 × 27,013.74
  4. Step 4: Simplify right side
    58,647.18x = 2,374,514,229.30
  5. Step 5: Solve for x
    x = 2,374,514,229.30/58,647.18
  6. Step 6: Final answer
    x = 40,488.12

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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.