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Finding the Fourth Proportional to 795.92, 1,103.48 and 754.40

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Solution

The fourth proportional to 795.92, 1,103.48 and 754.40 is: 1,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.92 : 1,103.48 = 754.40 : x
  2. Step 2: Convert to fraction form
    795.92/1,103.48 = 754.40/x
  3. Step 3: Cross multiply
    795.92x = 1,103.48 × 754.40
  4. Step 4: Simplify right side
    795.92x = 832,456.02
  5. Step 5: Solve for x
    x = 832,456.02/795.92
  6. Step 6: Final answer
    x = 1,045.91

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.