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Finding the Fourth Proportional to 18,232.62, 27,348.92 and 4,381.62

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Solution

The fourth proportional to 18,232.62, 27,348.92 and 4,381.62 is: 6,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.62 : 27,348.92 = 4,381.62 : x
  2. Step 2: Convert to fraction form
    18,232.62/27,348.92 = 4,381.62/x
  3. Step 3: Cross multiply
    18,232.62x = 27,348.92 × 4,381.62
  4. Step 4: Simplify right side
    18,232.62x = 119,832,438.11
  5. Step 5: Solve for x
    x = 119,832,438.11/18,232.62
  6. Step 6: Final answer
    x = 6,572.42

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1.5x scale

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.