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Finding the Fourth Proportional to 2,982.28, 4,472.52 and 1,250.52

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Solution

The fourth proportional to 2,982.28, 4,472.52 and 1,250.52 is: 1,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.28 : 4,472.52 = 1,250.52 : x
  2. Step 2: Convert to fraction form
    2,982.28/4,472.52 = 1,250.52/x
  3. Step 3: Cross multiply
    2,982.28x = 4,472.52 × 1,250.52
  4. Step 4: Simplify right side
    2,982.28x = 5,592,975.71
  5. Step 5: Solve for x
    x = 5,592,975.71/2,982.28
  6. Step 6: Final answer
    x = 1,875.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.