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Finding the Fourth Proportional to 2,879.46, 4,318.47 and 932.22

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Solution

The fourth proportional to 2,879.46, 4,318.47 and 932.22 is: 1,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.46 : 4,318.47 = 932.22 : x
  2. Step 2: Convert to fraction form
    2,879.46/4,318.47 = 932.22/x
  3. Step 3: Cross multiply
    2,879.46x = 4,318.47 × 932.22
  4. Step 4: Simplify right side
    2,879.46x = 4,025,764.10
  5. Step 5: Solve for x
    x = 4,025,764.10/2,879.46
  6. Step 6: Final answer
    x = 1,398.10

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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.