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Finding the Fourth Proportional to 18,008.42, 24,850.42 and 11,293.76

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Solution

The fourth proportional to 18,008.42, 24,850.42 and 11,293.76 is: 15,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.42 : 24,850.42 = 11,293.76 : x
  2. Step 2: Convert to fraction form
    18,008.42/24,850.42 = 11,293.76/x
  3. Step 3: Cross multiply
    18,008.42x = 24,850.42 × 11,293.76
  4. Step 4: Simplify right side
    18,008.42x = 280,654,679.38
  5. Step 5: Solve for x
    x = 280,654,679.38/18,008.42
  6. Step 6: Final answer
    x = 15,584.64

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.