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Finding the Fourth Proportional to 7,371.70, 10,162.20 and 5,600.23

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Solution

The fourth proportional to 7,371.70, 10,162.20 and 5,600.23 is: 7,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.70 : 10,162.20 = 5,600.23 : x
  2. Step 2: Convert to fraction form
    7,371.70/10,162.20 = 5,600.23/x
  3. Step 3: Cross multiply
    7,371.70x = 10,162.20 × 5,600.23
  4. Step 4: Simplify right side
    7,371.70x = 56,910,657.31
  5. Step 5: Solve for x
    x = 56,910,657.31/7,371.70
  6. Step 6: Final answer
    x = 7,720.15

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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.