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Finding the Fourth Proportional to 2,458.32, 3,687.60 and 726.96

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Solution

The fourth proportional to 2,458.32, 3,687.60 and 726.96 is: 1,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.32 : 3,687.60 = 726.96 : x
  2. Step 2: Convert to fraction form
    2,458.32/3,687.60 = 726.96/x
  3. Step 3: Cross multiply
    2,458.32x = 3,687.60 × 726.96
  4. Step 4: Simplify right side
    2,458.32x = 2,680,737.70
  5. Step 5: Solve for x
    x = 2,680,737.70/2,458.32
  6. Step 6: Final answer
    x = 1,090.48

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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.