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Finding the Fourth Proportional to 10,941.87, 15,078.71 and 7,952.97

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Solution

The fourth proportional to 10,941.87, 15,078.71 and 7,952.97 is: 10,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.87 : 15,078.71 = 7,952.97 : x
  2. Step 2: Convert to fraction form
    10,941.87/15,078.71 = 7,952.97/x
  3. Step 3: Cross multiply
    10,941.87x = 15,078.71 × 7,952.97
  4. Step 4: Simplify right side
    10,941.87x = 119,920,548.15
  5. Step 5: Solve for x
    x = 119,920,548.15/10,941.87
  6. Step 6: Final answer
    x = 10,959.79

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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.