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Finding the Fourth Proportional to 3,427.52, 5,111.18 and 3,396.34

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Solution

The fourth proportional to 3,427.52, 5,111.18 and 3,396.34 is: 5,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.52 : 5,111.18 = 3,396.34 : x
  2. Step 2: Convert to fraction form
    3,427.52/5,111.18 = 3,396.34/x
  3. Step 3: Cross multiply
    3,427.52x = 5,111.18 × 3,396.34
  4. Step 4: Simplify right side
    3,427.52x = 17,359,279.53
  5. Step 5: Solve for x
    x = 17,359,279.53/3,427.52
  6. Step 6: Final answer
    x = 5,064.68

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.