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Finding the Fourth Proportional to 5,308.16, 7,325.31 and 3,319.88

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Solution

The fourth proportional to 5,308.16, 7,325.31 and 3,319.88 is: 4,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.16 : 7,325.31 = 3,319.88 : x
  2. Step 2: Convert to fraction form
    5,308.16/7,325.31 = 3,319.88/x
  3. Step 3: Cross multiply
    5,308.16x = 7,325.31 × 3,319.88
  4. Step 4: Simplify right side
    5,308.16x = 24,319,113.54
  5. Step 5: Solve for x
    x = 24,319,113.54/5,308.16
  6. Step 6: Final answer
    x = 4,581.46

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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.