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Finding the Fourth Proportional to 1,471.97, 2,030.96 and 833.92

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Solution

The fourth proportional to 1,471.97, 2,030.96 and 833.92 is: 1,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.97 : 2,030.96 = 833.92 : x
  2. Step 2: Convert to fraction form
    1,471.97/2,030.96 = 833.92/x
  3. Step 3: Cross multiply
    1,471.97x = 2,030.96 × 833.92
  4. Step 4: Simplify right side
    1,471.97x = 1,693,658.16
  5. Step 5: Solve for x
    x = 1,693,658.16/1,471.97
  6. Step 6: Final answer
    x = 1,150.61

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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.