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Finding the Fourth Proportional to 6,449.16, 8,899.02 and 3,654.66

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Solution

The fourth proportional to 6,449.16, 8,899.02 and 3,654.66 is: 5,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.16 : 8,899.02 = 3,654.66 : x
  2. Step 2: Convert to fraction form
    6,449.16/8,899.02 = 3,654.66/x
  3. Step 3: Cross multiply
    6,449.16x = 8,899.02 × 3,654.66
  4. Step 4: Simplify right side
    6,449.16x = 32,522,892.43
  5. Step 5: Solve for x
    x = 32,522,892.43/6,449.16
  6. Step 6: Final answer
    x = 5,042.97

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1.5x scale

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.