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Finding the Fourth Proportional to 6,479.55, 8,949.84 and 5,849.77

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Solution

The fourth proportional to 6,479.55, 8,949.84 and 5,849.77 is: 8,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.55 : 8,949.84 = 5,849.77 : x
  2. Step 2: Convert to fraction form
    6,479.55/8,949.84 = 5,849.77/x
  3. Step 3: Cross multiply
    6,479.55x = 8,949.84 × 5,849.77
  4. Step 4: Simplify right side
    6,479.55x = 52,354,505.54
  5. Step 5: Solve for x
    x = 52,354,505.54/6,479.55
  6. Step 6: Final answer
    x = 8,079.96

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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.