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Finding the Fourth Proportional to 5,400.53, 7,452.69 and 3,042.69

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Solution

The fourth proportional to 5,400.53, 7,452.69 and 3,042.69 is: 4,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.53 : 7,452.69 = 3,042.69 : x
  2. Step 2: Convert to fraction form
    5,400.53/7,452.69 = 3,042.69/x
  3. Step 3: Cross multiply
    5,400.53x = 7,452.69 × 3,042.69
  4. Step 4: Simplify right side
    5,400.53x = 22,676,225.34
  5. Step 5: Solve for x
    x = 22,676,225.34/5,400.53
  6. Step 6: Final answer
    x = 4,198.89

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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.