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Finding the Fourth Proportional to 5,442.58, 7,511.58 and 3,319.34

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Solution

The fourth proportional to 5,442.58, 7,511.58 and 3,319.34 is: 4,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.58 : 7,511.58 = 3,319.34 : x
  2. Step 2: Convert to fraction form
    5,442.58/7,511.58 = 3,319.34/x
  3. Step 3: Cross multiply
    5,442.58x = 7,511.58 × 3,319.34
  4. Step 4: Simplify right side
    5,442.58x = 24,933,433.80
  5. Step 5: Solve for x
    x = 24,933,433.80/5,442.58
  6. Step 6: Final answer
    x = 4,581.18

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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.