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Finding the Fourth Proportional to 7,452.70, 11,166.72 and 5,256.82

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Solution

The fourth proportional to 7,452.70, 11,166.72 and 5,256.82 is: 7,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.70 : 11,166.72 = 5,256.82 : x
  2. Step 2: Convert to fraction form
    7,452.70/11,166.72 = 5,256.82/x
  3. Step 3: Cross multiply
    7,452.70x = 11,166.72 × 5,256.82
  4. Step 4: Simplify right side
    7,452.70x = 58,701,437.03
  5. Step 5: Solve for x
    x = 58,701,437.03/7,452.70
  6. Step 6: Final answer
    x = 7,876.53

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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.