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Finding the Fourth Proportional to 5,116.91, 7,061.18 and 3,348.47

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Solution

The fourth proportional to 5,116.91, 7,061.18 and 3,348.47 is: 4,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.91 : 7,061.18 = 3,348.47 : x
  2. Step 2: Convert to fraction form
    5,116.91/7,061.18 = 3,348.47/x
  3. Step 3: Cross multiply
    5,116.91x = 7,061.18 × 3,348.47
  4. Step 4: Simplify right side
    5,116.91x = 23,644,150.31
  5. Step 5: Solve for x
    x = 23,644,150.31/5,116.91
  6. Step 6: Final answer
    x = 4,620.79

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