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Finding the Fourth Proportional to 5,162.99, 7,744.46 and 3,515.45

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Solution

The fourth proportional to 5,162.99, 7,744.46 and 3,515.45 is: 5,273.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.99 : 7,744.46 = 3,515.45 : x
  2. Step 2: Convert to fraction form
    5,162.99/7,744.46 = 3,515.45/x
  3. Step 3: Cross multiply
    5,162.99x = 7,744.46 × 3,515.45
  4. Step 4: Simplify right side
    5,162.99x = 27,225,205.61
  5. Step 5: Solve for x
    x = 27,225,205.61/5,162.99
  6. Step 6: Final answer
    x = 5,273.15

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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.