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Finding the Fourth Proportional to 6,248.70, 9,373.05 and 1,631.70

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Solution

The fourth proportional to 6,248.70, 9,373.05 and 1,631.70 is: 2,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.70 : 9,373.05 = 1,631.70 : x
  2. Step 2: Convert to fraction form
    6,248.70/9,373.05 = 1,631.70/x
  3. Step 3: Cross multiply
    6,248.70x = 9,373.05 × 1,631.70
  4. Step 4: Simplify right side
    6,248.70x = 15,294,005.69
  5. Step 5: Solve for x
    x = 15,294,005.69/6,248.70
  6. Step 6: Final answer
    x = 2,447.55

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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.