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Finding the Fourth Proportional to 4,275.56, 6,414.12 and 1,967

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Solution

The fourth proportional to 4,275.56, 6,414.12 and 1,967 is: 2,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.56 : 6,414.12 = 1,967 : x
  2. Step 2: Convert to fraction form
    4,275.56/6,414.12 = 1,967/x
  3. Step 3: Cross multiply
    4,275.56x = 6,414.12 × 1,967
  4. Step 4: Simplify right side
    4,275.56x = 12,616,574.04
  5. Step 5: Solve for x
    x = 12,616,574.04/4,275.56
  6. Step 6: Final answer
    x = 2,950.86

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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.