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Finding the Fourth Proportional to 3,600.96, 4,972.32 and 2,425.92

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Solution

The fourth proportional to 3,600.96, 4,972.32 and 2,425.92 is: 3,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.96 : 4,972.32 = 2,425.92 : x
  2. Step 2: Convert to fraction form
    3,600.96/4,972.32 = 2,425.92/x
  3. Step 3: Cross multiply
    3,600.96x = 4,972.32 × 2,425.92
  4. Step 4: Simplify right side
    3,600.96x = 12,062,450.53
  5. Step 5: Solve for x
    x = 12,062,450.53/3,600.96
  6. Step 6: Final answer
    x = 3,349.79

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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.