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Finding the Fourth Proportional to 2,972.07, 4,101.84 and 1,793.79

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Solution

The fourth proportional to 2,972.07, 4,101.84 and 1,793.79 is: 2,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.07 : 4,101.84 = 1,793.79 : x
  2. Step 2: Convert to fraction form
    2,972.07/4,101.84 = 1,793.79/x
  3. Step 3: Cross multiply
    2,972.07x = 4,101.84 × 1,793.79
  4. Step 4: Simplify right side
    2,972.07x = 7,357,839.57
  5. Step 5: Solve for x
    x = 7,357,839.57/2,972.07
  6. Step 6: Final answer
    x = 2,475.66

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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.