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Finding the Fourth Proportional to 3,631.92, 5,447.88 and 3,502.32

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Solution

The fourth proportional to 3,631.92, 5,447.88 and 3,502.32 is: 5,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.92 : 5,447.88 = 3,502.32 : x
  2. Step 2: Convert to fraction form
    3,631.92/5,447.88 = 3,502.32/x
  3. Step 3: Cross multiply
    3,631.92x = 5,447.88 × 3,502.32
  4. Step 4: Simplify right side
    3,631.92x = 19,080,219.08
  5. Step 5: Solve for x
    x = 19,080,219.08/3,631.92
  6. Step 6: Final answer
    x = 5,253.48

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Similar ratio
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1.5x scale

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.