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Finding the Fourth Proportional to 6,470.97, 8,927.79 and 3,952.17

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Solution

The fourth proportional to 6,470.97, 8,927.79 and 3,952.17 is: 5,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.97 : 8,927.79 = 3,952.17 : x
  2. Step 2: Convert to fraction form
    6,470.97/8,927.79 = 3,952.17/x
  3. Step 3: Cross multiply
    6,470.97x = 8,927.79 × 3,952.17
  4. Step 4: Simplify right side
    6,470.97x = 35,284,143.80
  5. Step 5: Solve for x
    x = 35,284,143.80/6,470.97
  6. Step 6: Final answer
    x = 5,452.68

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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.