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Finding the Fourth Proportional to 6,151.03, 8,491.17 and 4,167.61

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Solution

The fourth proportional to 6,151.03, 8,491.17 and 4,167.61 is: 5,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.03 : 8,491.17 = 4,167.61 : x
  2. Step 2: Convert to fraction form
    6,151.03/8,491.17 = 4,167.61/x
  3. Step 3: Cross multiply
    6,151.03x = 8,491.17 × 4,167.61
  4. Step 4: Simplify right side
    6,151.03x = 35,387,885.00
  5. Step 5: Solve for x
    x = 35,387,885.00/6,151.03
  6. Step 6: Final answer
    x = 5,753.16

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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.