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Finding the Fourth Proportional to 7,723.92, 10,663.92 and 5,952.24

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Solution

The fourth proportional to 7,723.92, 10,663.92 and 5,952.24 is: 8,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.92 : 10,663.92 = 5,952.24 : x
  2. Step 2: Convert to fraction form
    7,723.92/10,663.92 = 5,952.24/x
  3. Step 3: Cross multiply
    7,723.92x = 10,663.92 × 5,952.24
  4. Step 4: Simplify right side
    7,723.92x = 63,474,211.18
  5. Step 5: Solve for x
    x = 63,474,211.18/7,723.92
  6. Step 6: Final answer
    x = 8,217.88

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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.