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Finding the Fourth Proportional to 3,253.64, 4,879.34 and 1,061.82

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Solution

The fourth proportional to 3,253.64, 4,879.34 and 1,061.82 is: 1,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.64 : 4,879.34 = 1,061.82 : x
  2. Step 2: Convert to fraction form
    3,253.64/4,879.34 = 1,061.82/x
  3. Step 3: Cross multiply
    3,253.64x = 4,879.34 × 1,061.82
  4. Step 4: Simplify right side
    3,253.64x = 5,180,975.49
  5. Step 5: Solve for x
    x = 5,180,975.49/3,253.64
  6. Step 6: Final answer
    x = 1,592.37

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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.