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Finding the Fourth Proportional to 951.66, 1,424.72 and 795.87

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Solution

The fourth proportional to 951.66, 1,424.72 and 795.87 is: 1,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.66 : 1,424.72 = 795.87 : x
  2. Step 2: Convert to fraction form
    951.66/1,424.72 = 795.87/x
  3. Step 3: Cross multiply
    951.66x = 1,424.72 × 795.87
  4. Step 4: Simplify right side
    951.66x = 1,133,893.90
  5. Step 5: Solve for x
    x = 1,133,893.90/951.66
  6. Step 6: Final answer
    x = 1,191.49

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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.