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Finding the Fourth Proportional to 5,472.64, 8,209.92 and 2,393.92

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Solution

The fourth proportional to 5,472.64, 8,209.92 and 2,393.92 is: 3,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.64 : 8,209.92 = 2,393.92 : x
  2. Step 2: Convert to fraction form
    5,472.64/8,209.92 = 2,393.92/x
  3. Step 3: Cross multiply
    5,472.64x = 8,209.92 × 2,393.92
  4. Step 4: Simplify right side
    5,472.64x = 19,653,891.69
  5. Step 5: Solve for x
    x = 19,653,891.69/5,472.64
  6. Step 6: Final answer
    x = 3,591.30

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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.