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Finding the Fourth Proportional to 5,772.91, 7,962.92 and 4,003.87

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Solution

The fourth proportional to 5,772.91, 7,962.92 and 4,003.87 is: 5,522.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.91 : 7,962.92 = 4,003.87 : x
  2. Step 2: Convert to fraction form
    5,772.91/7,962.92 = 4,003.87/x
  3. Step 3: Cross multiply
    5,772.91x = 7,962.92 × 4,003.87
  4. Step 4: Simplify right side
    5,772.91x = 31,882,471.59
  5. Step 5: Solve for x
    x = 31,882,471.59/5,772.91
  6. Step 6: Final answer
    x = 5,522.78

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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.