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Finding the Fourth Proportional to 7,372.48, 10,182 and 5,020.96

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Solution

The fourth proportional to 7,372.48, 10,182 and 5,020.96 is: 6,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.48 : 10,182 = 5,020.96 : x
  2. Step 2: Convert to fraction form
    7,372.48/10,182 = 5,020.96/x
  3. Step 3: Cross multiply
    7,372.48x = 10,182 × 5,020.96
  4. Step 4: Simplify right side
    7,372.48x = 51,123,414.72
  5. Step 5: Solve for x
    x = 51,123,414.72/7,372.48
  6. Step 6: Final answer
    x = 6,934.36

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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.