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Finding the Fourth Proportional to 1,046.97, 1,441.71 and 751.73

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Solution

The fourth proportional to 1,046.97, 1,441.71 and 751.73 is: 1,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.97 : 1,441.71 = 751.73 : x
  2. Step 2: Convert to fraction form
    1,046.97/1,441.71 = 751.73/x
  3. Step 3: Cross multiply
    1,046.97x = 1,441.71 × 751.73
  4. Step 4: Simplify right side
    1,046.97x = 1,083,769.45
  5. Step 5: Solve for x
    x = 1,083,769.45/1,046.97
  6. Step 6: Final answer
    x = 1,035.15

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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.