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Finding the Fourth Proportional to 4,168.74, 6,248.73 and 1,974.87

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Solution

The fourth proportional to 4,168.74, 6,248.73 and 1,974.87 is: 2,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.74 : 6,248.73 = 1,974.87 : x
  2. Step 2: Convert to fraction form
    4,168.74/6,248.73 = 1,974.87/x
  3. Step 3: Cross multiply
    4,168.74x = 6,248.73 × 1,974.87
  4. Step 4: Simplify right side
    4,168.74x = 12,340,429.42
  5. Step 5: Solve for x
    x = 12,340,429.42/4,168.74
  6. Step 6: Final answer
    x = 2,960.23

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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.