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Finding the Fourth Proportional to 6,479.92, 9,731.59 and 5,958.96

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Solution

The fourth proportional to 6,479.92, 9,731.59 and 5,958.96 is: 8,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.92 : 9,731.59 = 5,958.96 : x
  2. Step 2: Convert to fraction form
    6,479.92/9,731.59 = 5,958.96/x
  3. Step 3: Cross multiply
    6,479.92x = 9,731.59 × 5,958.96
  4. Step 4: Simplify right side
    6,479.92x = 57,990,155.55
  5. Step 5: Solve for x
    x = 57,990,155.55/6,479.92
  6. Step 6: Final answer
    x = 8,949.21

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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.