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Finding the Fourth Proportional to 16,434.78, 24,652.17 and 15,009.18

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Solution

The fourth proportional to 16,434.78, 24,652.17 and 15,009.18 is: 22,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,434.78 : 24,652.17 = 15,009.18 : x
  2. Step 2: Convert to fraction form
    16,434.78/24,652.17 = 15,009.18/x
  3. Step 3: Cross multiply
    16,434.78x = 24,652.17 × 15,009.18
  4. Step 4: Simplify right side
    16,434.78x = 370,008,856.92
  5. Step 5: Solve for x
    x = 370,008,856.92/16,434.78
  6. Step 6: Final answer
    x = 22,513.77

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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.