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Finding the Fourth Proportional to 944.73, 1,416.66 and 671.36

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Solution

The fourth proportional to 944.73, 1,416.66 and 671.36 is: 1,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.73 : 1,416.66 = 671.36 : x
  2. Step 2: Convert to fraction form
    944.73/1,416.66 = 671.36/x
  3. Step 3: Cross multiply
    944.73x = 1,416.66 × 671.36
  4. Step 4: Simplify right side
    944.73x = 951,079.26
  5. Step 5: Solve for x
    x = 951,079.26/944.73
  6. Step 6: Final answer
    x = 1,006.72

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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.