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Finding the Fourth Proportional to 8,617.56, 11,892.12 and 5,034.96

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Solution

The fourth proportional to 8,617.56, 11,892.12 and 5,034.96 is: 6,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.56 : 11,892.12 = 5,034.96 : x
  2. Step 2: Convert to fraction form
    8,617.56/11,892.12 = 5,034.96/x
  3. Step 3: Cross multiply
    8,617.56x = 11,892.12 × 5,034.96
  4. Step 4: Simplify right side
    8,617.56x = 59,876,348.52
  5. Step 5: Solve for x
    x = 59,876,348.52/8,617.56
  6. Step 6: Final answer
    x = 6,948.18

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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.