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Finding the Fourth Proportional to 962.11, 1,444.36 and 671.46

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Solution

The fourth proportional to 962.11, 1,444.36 and 671.46 is: 1,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.11 : 1,444.36 = 671.46 : x
  2. Step 2: Convert to fraction form
    962.11/1,444.36 = 671.46/x
  3. Step 3: Cross multiply
    962.11x = 1,444.36 × 671.46
  4. Step 4: Simplify right side
    962.11x = 969,829.14
  5. Step 5: Solve for x
    x = 969,829.14/962.11
  6. Step 6: Final answer
    x = 1,008.02

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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.