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Finding the Fourth Proportional to 1,043.73, 1,441.44 and 713.01

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Solution

The fourth proportional to 1,043.73, 1,441.44 and 713.01 is: 984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.73 : 1,441.44 = 713.01 : x
  2. Step 2: Convert to fraction form
    1,043.73/1,441.44 = 713.01/x
  3. Step 3: Cross multiply
    1,043.73x = 1,441.44 × 713.01
  4. Step 4: Simplify right side
    1,043.73x = 1,027,761.13
  5. Step 5: Solve for x
    x = 1,027,761.13/1,043.73
  6. Step 6: Final answer
    x = 984.70

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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.