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Finding the Fourth Proportional to 18,294.68, 27,446.08 and 5,818.52

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Solution

The fourth proportional to 18,294.68, 27,446.08 and 5,818.52 is: 8,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.68 : 27,446.08 = 5,818.52 : x
  2. Step 2: Convert to fraction form
    18,294.68/27,446.08 = 5,818.52/x
  3. Step 3: Cross multiply
    18,294.68x = 27,446.08 × 5,818.52
  4. Step 4: Simplify right side
    18,294.68x = 159,695,565.40
  5. Step 5: Solve for x
    x = 159,695,565.40/18,294.68
  6. Step 6: Final answer
    x = 8,729.07

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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.