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Finding the Fourth Proportional to 958.92, 1,436.24 and 833.92

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Solution

The fourth proportional to 958.92, 1,436.24 and 833.92 is: 1,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.92 : 1,436.24 = 833.92 : x
  2. Step 2: Convert to fraction form
    958.92/1,436.24 = 833.92/x
  3. Step 3: Cross multiply
    958.92x = 1,436.24 × 833.92
  4. Step 4: Simplify right side
    958.92x = 1,197,709.26
  5. Step 5: Solve for x
    x = 1,197,709.26/958.92
  6. Step 6: Final answer
    x = 1,249.02

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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.