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Finding the Fourth Proportional to 4,568.78, 6,849.12 and 2,227.48

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Solution

The fourth proportional to 4,568.78, 6,849.12 and 2,227.48 is: 3,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,568.78 : 6,849.12 = 2,227.48 : x
  2. Step 2: Convert to fraction form
    4,568.78/6,849.12 = 2,227.48/x
  3. Step 3: Cross multiply
    4,568.78x = 6,849.12 × 2,227.48
  4. Step 4: Simplify right side
    4,568.78x = 15,256,277.82
  5. Step 5: Solve for x
    x = 15,256,277.82/4,568.78
  6. Step 6: Final answer
    x = 3,339.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.