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Finding the Fourth Proportional to 5,047.92, 7,571.96 and 2,575.76

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Solution

The fourth proportional to 5,047.92, 7,571.96 and 2,575.76 is: 3,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.92 : 7,571.96 = 2,575.76 : x
  2. Step 2: Convert to fraction form
    5,047.92/7,571.96 = 2,575.76/x
  3. Step 3: Cross multiply
    5,047.92x = 7,571.96 × 2,575.76
  4. Step 4: Simplify right side
    5,047.92x = 19,503,551.69
  5. Step 5: Solve for x
    x = 19,503,551.69/5,047.92
  6. Step 6: Final answer
    x = 3,863.68

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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.