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Finding the Fourth Proportional to 935.94, 1,400.76 and 797.97

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Solution

The fourth proportional to 935.94, 1,400.76 and 797.97 is: 1,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.94 : 1,400.76 = 797.97 : x
  2. Step 2: Convert to fraction form
    935.94/1,400.76 = 797.97/x
  3. Step 3: Cross multiply
    935.94x = 1,400.76 × 797.97
  4. Step 4: Simplify right side
    935.94x = 1,117,764.46
  5. Step 5: Solve for x
    x = 1,117,764.46/935.94
  6. Step 6: Final answer
    x = 1,194.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.