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Finding the Fourth Proportional to 5,493.22, 7,578.01 and 5,281.04

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Solution

The fourth proportional to 5,493.22, 7,578.01 and 5,281.04 is: 7,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.22 : 7,578.01 = 5,281.04 : x
  2. Step 2: Convert to fraction form
    5,493.22/7,578.01 = 5,281.04/x
  3. Step 3: Cross multiply
    5,493.22x = 7,578.01 × 5,281.04
  4. Step 4: Simplify right side
    5,493.22x = 40,019,773.93
  5. Step 5: Solve for x
    x = 40,019,773.93/5,493.22
  6. Step 6: Final answer
    x = 7,285.30

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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.