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Finding the Fourth Proportional to 3,146.52, 4,341.42 and 1,967

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Solution

The fourth proportional to 3,146.52, 4,341.42 and 1,967 is: 2,713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.52 : 4,341.42 = 1,967 : x
  2. Step 2: Convert to fraction form
    3,146.52/4,341.42 = 1,967/x
  3. Step 3: Cross multiply
    3,146.52x = 4,341.42 × 1,967
  4. Step 4: Simplify right side
    3,146.52x = 8,539,573.14
  5. Step 5: Solve for x
    x = 8,539,573.14/3,146.52
  6. Step 6: Final answer
    x = 2,713.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.