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Finding the Fourth Proportional to 7,109.30, 10,659.38 and 2,952.17

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Solution

The fourth proportional to 7,109.30, 10,659.38 and 2,952.17 is: 4,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.30 : 10,659.38 = 2,952.17 : x
  2. Step 2: Convert to fraction form
    7,109.30/10,659.38 = 2,952.17/x
  3. Step 3: Cross multiply
    7,109.30x = 10,659.38 × 2,952.17
  4. Step 4: Simplify right side
    7,109.30x = 31,468,287.09
  5. Step 5: Solve for x
    x = 31,468,287.09/7,109.30
  6. Step 6: Final answer
    x = 4,426.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.