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Finding the Fourth Proportional to 5,325.35, 7,971.55 and 3,472.47

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Solution

The fourth proportional to 5,325.35, 7,971.55 and 3,472.47 is: 5,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.35 : 7,971.55 = 3,472.47 : x
  2. Step 2: Convert to fraction form
    5,325.35/7,971.55 = 3,472.47/x
  3. Step 3: Cross multiply
    5,325.35x = 7,971.55 × 3,472.47
  4. Step 4: Simplify right side
    5,325.35x = 27,680,959.55
  5. Step 5: Solve for x
    x = 27,680,959.55/5,325.35
  6. Step 6: Final answer
    x = 5,197.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.