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Finding the Fourth Proportional to 4,807.79, 7,198.65 and 2,494.43

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Solution

The fourth proportional to 4,807.79, 7,198.65 and 2,494.43 is: 3,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.79 : 7,198.65 = 2,494.43 : x
  2. Step 2: Convert to fraction form
    4,807.79/7,198.65 = 2,494.43/x
  3. Step 3: Cross multiply
    4,807.79x = 7,198.65 × 2,494.43
  4. Step 4: Simplify right side
    4,807.79x = 17,956,528.52
  5. Step 5: Solve for x
    x = 17,956,528.52/4,807.79
  6. Step 6: Final answer
    x = 3,734.88

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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.