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Finding the Fourth Proportional to 950.92, 1,423.14 and 756.52

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Solution

The fourth proportional to 950.92, 1,423.14 and 756.52 is: 1,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.92 : 1,423.14 = 756.52 : x
  2. Step 2: Convert to fraction form
    950.92/1,423.14 = 756.52/x
  3. Step 3: Cross multiply
    950.92x = 1,423.14 × 756.52
  4. Step 4: Simplify right side
    950.92x = 1,076,633.87
  5. Step 5: Solve for x
    x = 1,076,633.87/950.92
  6. Step 6: Final answer
    x = 1,132.20

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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.