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Finding the Fourth Proportional to 962.18, 1,443.83 and 633.53

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Solution

The fourth proportional to 962.18, 1,443.83 and 633.53 is: 950.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.18 : 1,443.83 = 633.53 : x
  2. Step 2: Convert to fraction form
    962.18/1,443.83 = 633.53/x
  3. Step 3: Cross multiply
    962.18x = 1,443.83 × 633.53
  4. Step 4: Simplify right side
    962.18x = 914,709.62
  5. Step 5: Solve for x
    x = 914,709.62/962.18
  6. Step 6: Final answer
    x = 950.66

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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.