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Finding the Fourth Proportional to 7,081.09, 9,773.94 and 4,098.94

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Solution

The fourth proportional to 7,081.09, 9,773.94 and 4,098.94 is: 5,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.09 : 9,773.94 = 4,098.94 : x
  2. Step 2: Convert to fraction form
    7,081.09/9,773.94 = 4,098.94/x
  3. Step 3: Cross multiply
    7,081.09x = 9,773.94 × 4,098.94
  4. Step 4: Simplify right side
    7,081.09x = 40,062,793.62
  5. Step 5: Solve for x
    x = 40,062,793.62/7,081.09
  6. Step 6: Final answer
    x = 5,657.72

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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.