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Finding the Fourth Proportional to 10,651.66, 15,979.02 and 3,255.14

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Solution

The fourth proportional to 10,651.66, 15,979.02 and 3,255.14 is: 4,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.66 : 15,979.02 = 3,255.14 : x
  2. Step 2: Convert to fraction form
    10,651.66/15,979.02 = 3,255.14/x
  3. Step 3: Cross multiply
    10,651.66x = 15,979.02 × 3,255.14
  4. Step 4: Simplify right side
    10,651.66x = 52,013,947.16
  5. Step 5: Solve for x
    x = 52,013,947.16/10,651.66
  6. Step 6: Final answer
    x = 4,883.18

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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.