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Finding the Fourth Proportional to 6,197.68, 9,290.04 and 2,908

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Solution

The fourth proportional to 6,197.68, 9,290.04 and 2,908 is: 4,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,197.68 : 9,290.04 = 2,908 : x
  2. Step 2: Convert to fraction form
    6,197.68/9,290.04 = 2,908/x
  3. Step 3: Cross multiply
    6,197.68x = 9,290.04 × 2,908
  4. Step 4: Simplify right side
    6,197.68x = 27,015,436.32
  5. Step 5: Solve for x
    x = 27,015,436.32/6,197.68
  6. Step 6: Final answer
    x = 4,358.96

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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.