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Finding the Fourth Proportional to 7,375.28, 11,062.76 and 2,445.28

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Solution

The fourth proportional to 7,375.28, 11,062.76 and 2,445.28 is: 3,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.28 : 11,062.76 = 2,445.28 : x
  2. Step 2: Convert to fraction form
    7,375.28/11,062.76 = 2,445.28/x
  3. Step 3: Cross multiply
    7,375.28x = 11,062.76 × 2,445.28
  4. Step 4: Simplify right side
    7,375.28x = 27,051,545.77
  5. Step 5: Solve for x
    x = 27,051,545.77/7,375.28
  6. Step 6: Final answer
    x = 3,667.87

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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.