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Finding the Fourth Proportional to 7,245.62, 10,868.43 and 3,956.92

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Solution

The fourth proportional to 7,245.62, 10,868.43 and 3,956.92 is: 5,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.62 : 10,868.43 = 3,956.92 : x
  2. Step 2: Convert to fraction form
    7,245.62/10,868.43 = 3,956.92/x
  3. Step 3: Cross multiply
    7,245.62x = 10,868.43 × 3,956.92
  4. Step 4: Simplify right side
    7,245.62x = 43,005,508.04
  5. Step 5: Solve for x
    x = 43,005,508.04/7,245.62
  6. Step 6: Final answer
    x = 5,935.38

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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.