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Finding the Fourth Proportional to 5,343.66, 7,377.48 and 3,456.12

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Solution

The fourth proportional to 5,343.66, 7,377.48 and 3,456.12 is: 4,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.66 : 7,377.48 = 3,456.12 : x
  2. Step 2: Convert to fraction form
    5,343.66/7,377.48 = 3,456.12/x
  3. Step 3: Cross multiply
    5,343.66x = 7,377.48 × 3,456.12
  4. Step 4: Simplify right side
    5,343.66x = 25,497,456.18
  5. Step 5: Solve for x
    x = 25,497,456.18/5,343.66
  6. Step 6: Final answer
    x = 4,771.53

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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.