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Finding the Fourth Proportional to 2,062.97, 2,847.02 and 1,620.11

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Solution

The fourth proportional to 2,062.97, 2,847.02 and 1,620.11 is: 2,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.97 : 2,847.02 = 1,620.11 : x
  2. Step 2: Convert to fraction form
    2,062.97/2,847.02 = 1,620.11/x
  3. Step 3: Cross multiply
    2,062.97x = 2,847.02 × 1,620.11
  4. Step 4: Simplify right side
    2,062.97x = 4,612,463.24
  5. Step 5: Solve for x
    x = 4,612,463.24/2,062.97
  6. Step 6: Final answer
    x = 2,235.84

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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.