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Finding the Fourth Proportional to 18,242.11, 27,363.17 and 4,391.11

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Solution

The fourth proportional to 18,242.11, 27,363.17 and 4,391.11 is: 6,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.11 : 27,363.17 = 4,391.11 : x
  2. Step 2: Convert to fraction form
    18,242.11/27,363.17 = 4,391.11/x
  3. Step 3: Cross multiply
    18,242.11x = 27,363.17 × 4,391.11
  4. Step 4: Simplify right side
    18,242.11x = 120,154,530.65
  5. Step 5: Solve for x
    x = 120,154,530.65/18,242.11
  6. Step 6: Final answer
    x = 6,586.66

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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.