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Finding the Fourth Proportional to 4,472.28, 6,171.28 and 2,482.78

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Solution

The fourth proportional to 4,472.28, 6,171.28 and 2,482.78 is: 3,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.28 : 6,171.28 = 2,482.78 : x
  2. Step 2: Convert to fraction form
    4,472.28/6,171.28 = 2,482.78/x
  3. Step 3: Cross multiply
    4,472.28x = 6,171.28 × 2,482.78
  4. Step 4: Simplify right side
    4,472.28x = 15,321,930.56
  5. Step 5: Solve for x
    x = 15,321,930.56/4,472.28
  6. Step 6: Final answer
    x = 3,425.98

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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.