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Finding the Fourth Proportional to 962.11, 1,336.67 and 950.59

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Solution

The fourth proportional to 962.11, 1,336.67 and 950.59 is: 1,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.11 : 1,336.67 = 950.59 : x
  2. Step 2: Convert to fraction form
    962.11/1,336.67 = 950.59/x
  3. Step 3: Cross multiply
    962.11x = 1,336.67 × 950.59
  4. Step 4: Simplify right side
    962.11x = 1,270,622.76
  5. Step 5: Solve for x
    x = 1,270,622.76/962.11
  6. Step 6: Final answer
    x = 1,320.66

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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.