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Finding the Fourth Proportional to 7,956.43, 10,979.42 and 4,599.38

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Solution

The fourth proportional to 7,956.43, 10,979.42 and 4,599.38 is: 6,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.43 : 10,979.42 = 4,599.38 : x
  2. Step 2: Convert to fraction form
    7,956.43/10,979.42 = 4,599.38/x
  3. Step 3: Cross multiply
    7,956.43x = 10,979.42 × 4,599.38
  4. Step 4: Simplify right side
    7,956.43x = 50,498,529.21
  5. Step 5: Solve for x
    x = 50,498,529.21/7,956.43
  6. Step 6: Final answer
    x = 6,346.88

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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.