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Finding the Fourth Proportional to 5,470.18, 7,549.41 and 3,347.12

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Solution

The fourth proportional to 5,470.18, 7,549.41 and 3,347.12 is: 4,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.18 : 7,549.41 = 3,347.12 : x
  2. Step 2: Convert to fraction form
    5,470.18/7,549.41 = 3,347.12/x
  3. Step 3: Cross multiply
    5,470.18x = 7,549.41 × 3,347.12
  4. Step 4: Simplify right side
    5,470.18x = 25,268,781.20
  5. Step 5: Solve for x
    x = 25,268,781.20/5,470.18
  6. Step 6: Final answer
    x = 4,619.37

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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.