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Finding the Fourth Proportional to 27,052.20, 40,582.92 and 8,331.81

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Solution

The fourth proportional to 27,052.20, 40,582.92 and 8,331.81 is: 12,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,052.20 : 40,582.92 = 8,331.81 : x
  2. Step 2: Convert to fraction form
    27,052.20/40,582.92 = 8,331.81/x
  3. Step 3: Cross multiply
    27,052.20x = 40,582.92 × 8,331.81
  4. Step 4: Simplify right side
    27,052.20x = 338,129,178.69
  5. Step 5: Solve for x
    x = 338,129,178.69/27,052.20
  6. Step 6: Final answer
    x = 12,499.14

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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.