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Finding the Fourth Proportional to 7,440.60, 11,152.22 and 5,474.60

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Solution

The fourth proportional to 7,440.60, 11,152.22 and 5,474.60 is: 8,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.60 : 11,152.22 = 5,474.60 : x
  2. Step 2: Convert to fraction form
    7,440.60/11,152.22 = 5,474.60/x
  3. Step 3: Cross multiply
    7,440.60x = 11,152.22 × 5,474.60
  4. Step 4: Simplify right side
    7,440.60x = 61,053,943.61
  5. Step 5: Solve for x
    x = 61,053,943.61/7,440.60
  6. Step 6: Final answer
    x = 8,205.51

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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.