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Finding the Fourth Proportional to 5,454.74, 7,531.98 and 4,446.61

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Solution

The fourth proportional to 5,454.74, 7,531.98 and 4,446.61 is: 6,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.74 : 7,531.98 = 4,446.61 : x
  2. Step 2: Convert to fraction form
    5,454.74/7,531.98 = 4,446.61/x
  3. Step 3: Cross multiply
    5,454.74x = 7,531.98 × 4,446.61
  4. Step 4: Simplify right side
    5,454.74x = 33,491,739.93
  5. Step 5: Solve for x
    x = 33,491,739.93/5,454.74
  6. Step 6: Final answer
    x = 6,139.93

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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.