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Finding the Fourth Proportional to 8,959.04, 12,352.38 and 5,766.92

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Solution

The fourth proportional to 8,959.04, 12,352.38 and 5,766.92 is: 7,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.04 : 12,352.38 = 5,766.92 : x
  2. Step 2: Convert to fraction form
    8,959.04/12,352.38 = 5,766.92/x
  3. Step 3: Cross multiply
    8,959.04x = 12,352.38 × 5,766.92
  4. Step 4: Simplify right side
    8,959.04x = 71,235,187.27
  5. Step 5: Solve for x
    x = 71,235,187.27/8,959.04
  6. Step 6: Final answer
    x = 7,951.21

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Why These Related Problems?

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