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Finding the Fourth Proportional to 935, 1,403.26 and 798.92

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Solution

The fourth proportional to 935, 1,403.26 and 798.92 is: 1,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    935 : 1,403.26 = 798.92 : x
  2. Step 2: Convert to fraction form
    935/1,403.26 = 798.92/x
  3. Step 3: Cross multiply
    935x = 1,403.26 × 798.92
  4. Step 4: Simplify right side
    935x = 1,121,092.48
  5. Step 5: Solve for x
    x = 1,121,092.48/935
  6. Step 6: Final answer
    x = 1,199.03

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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.