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Finding the Fourth Proportional to 18,232.13, 27,348.20 and 5,920.13

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Solution

The fourth proportional to 18,232.13, 27,348.20 and 5,920.13 is: 8,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.13 : 27,348.20 = 5,920.13 : x
  2. Step 2: Convert to fraction form
    18,232.13/27,348.20 = 5,920.13/x
  3. Step 3: Cross multiply
    18,232.13x = 27,348.20 × 5,920.13
  4. Step 4: Simplify right side
    18,232.13x = 161,904,732.92
  5. Step 5: Solve for x
    x = 161,904,732.92/18,232.13
  6. Step 6: Final answer
    x = 8,880.19

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Double scale
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Similar ratio
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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.