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Finding the Fourth Proportional to 5,549.19, 7,658.12 and 3,191.33

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Solution

The fourth proportional to 5,549.19, 7,658.12 and 3,191.33 is: 4,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.19 : 7,658.12 = 3,191.33 : x
  2. Step 2: Convert to fraction form
    5,549.19/7,658.12 = 3,191.33/x
  3. Step 3: Cross multiply
    5,549.19x = 7,658.12 × 3,191.33
  4. Step 4: Simplify right side
    5,549.19x = 24,439,591.29
  5. Step 5: Solve for x
    x = 24,439,591.29/5,549.19
  6. Step 6: Final answer
    x = 4,404.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.