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Finding the Fourth Proportional to 2,248.05, 3,372.32 and 862.56

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Solution

The fourth proportional to 2,248.05, 3,372.32 and 862.56 is: 1,293.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.05 : 3,372.32 = 862.56 : x
  2. Step 2: Convert to fraction form
    2,248.05/3,372.32 = 862.56/x
  3. Step 3: Cross multiply
    2,248.05x = 3,372.32 × 862.56
  4. Step 4: Simplify right side
    2,248.05x = 2,908,836.77
  5. Step 5: Solve for x
    x = 2,908,836.77/2,248.05
  6. Step 6: Final answer
    x = 1,293.94

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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.