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Finding the Fourth Proportional to 795.92, 1,099.02 and 676.72

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Solution

The fourth proportional to 795.92, 1,099.02 and 676.72 is: 934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.92 : 1,099.02 = 676.72 : x
  2. Step 2: Convert to fraction form
    795.92/1,099.02 = 676.72/x
  3. Step 3: Cross multiply
    795.92x = 1,099.02 × 676.72
  4. Step 4: Simplify right side
    795.92x = 743,728.81
  5. Step 5: Solve for x
    x = 743,728.81/795.92
  6. Step 6: Final answer
    x = 934.43

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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.