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Finding the Fourth Proportional to 16,508.18, 24,762.18 and 5,414.78

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Solution

The fourth proportional to 16,508.18, 24,762.18 and 5,414.78 is: 8,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,508.18 : 24,762.18 = 5,414.78 : x
  2. Step 2: Convert to fraction form
    16,508.18/24,762.18 = 5,414.78/x
  3. Step 3: Cross multiply
    16,508.18x = 24,762.18 × 5,414.78
  4. Step 4: Simplify right side
    16,508.18x = 134,081,757.02
  5. Step 5: Solve for x
    x = 134,081,757.02/16,508.18
  6. Step 6: Final answer
    x = 8,122.14

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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.