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Finding the Fourth Proportional to 18,232.57, 27,348.86 and 9,449.04

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Solution

The fourth proportional to 18,232.57, 27,348.86 and 9,449.04 is: 14,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.57 : 27,348.86 = 9,449.04 : x
  2. Step 2: Convert to fraction form
    18,232.57/27,348.86 = 9,449.04/x
  3. Step 3: Cross multiply
    18,232.57x = 27,348.86 × 9,449.04
  4. Step 4: Simplify right side
    18,232.57x = 258,420,472.09
  5. Step 5: Solve for x
    x = 258,420,472.09/18,232.57
  6. Step 6: Final answer
    x = 14,173.56

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Half scale
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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.