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Finding the Fourth Proportional to 5,253.68, 7,249.53 and 3,015.52

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Solution

The fourth proportional to 5,253.68, 7,249.53 and 3,015.52 is: 4,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.68 : 7,249.53 = 3,015.52 : x
  2. Step 2: Convert to fraction form
    5,253.68/7,249.53 = 3,015.52/x
  3. Step 3: Cross multiply
    5,253.68x = 7,249.53 × 3,015.52
  4. Step 4: Simplify right side
    5,253.68x = 21,861,102.71
  5. Step 5: Solve for x
    x = 21,861,102.71/5,253.68
  6. Step 6: Final answer
    x = 4,161.10

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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.