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Finding the Fourth Proportional to 6,471.64, 9,702.96 and 3,350.32

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Solution

The fourth proportional to 6,471.64, 9,702.96 and 3,350.32 is: 5,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.64 : 9,702.96 = 3,350.32 : x
  2. Step 2: Convert to fraction form
    6,471.64/9,702.96 = 3,350.32/x
  3. Step 3: Cross multiply
    6,471.64x = 9,702.96 × 3,350.32
  4. Step 4: Simplify right side
    6,471.64x = 32,508,020.95
  5. Step 5: Solve for x
    x = 32,508,020.95/6,471.64
  6. Step 6: Final answer
    x = 5,023.15

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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.