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Finding the Fourth Proportional to 7,391.92, 11,080.56 and 6,079.72

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Solution

The fourth proportional to 7,391.92, 11,080.56 and 6,079.72 is: 9,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.92 : 11,080.56 = 6,079.72 : x
  2. Step 2: Convert to fraction form
    7,391.92/11,080.56 = 6,079.72/x
  3. Step 3: Cross multiply
    7,391.92x = 11,080.56 × 6,079.72
  4. Step 4: Simplify right side
    7,391.92x = 67,366,702.24
  5. Step 5: Solve for x
    x = 67,366,702.24/7,391.92
  6. Step 6: Final answer
    x = 9,113.56

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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.