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Finding the Fourth Proportional to 2,524.67, 3,787.02 and 881.21

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Solution

The fourth proportional to 2,524.67, 3,787.02 and 881.21 is: 1,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.67 : 3,787.02 = 881.21 : x
  2. Step 2: Convert to fraction form
    2,524.67/3,787.02 = 881.21/x
  3. Step 3: Cross multiply
    2,524.67x = 3,787.02 × 881.21
  4. Step 4: Simplify right side
    2,524.67x = 3,337,136.55
  5. Step 5: Solve for x
    x = 3,337,136.55/2,524.67
  6. Step 6: Final answer
    x = 1,321.81

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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.