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Finding the Fourth Proportional to 6,498.80, 9,733.80 and 2,601.20

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Solution

The fourth proportional to 6,498.80, 9,733.80 and 2,601.20 is: 3,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498.80 : 9,733.80 = 2,601.20 : x
  2. Step 2: Convert to fraction form
    6,498.80/9,733.80 = 2,601.20/x
  3. Step 3: Cross multiply
    6,498.80x = 9,733.80 × 2,601.20
  4. Step 4: Simplify right side
    6,498.80x = 25,319,560.56
  5. Step 5: Solve for x
    x = 25,319,560.56/6,498.80
  6. Step 6: Final answer
    x = 3,896.04

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Why These Related Problems?

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