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Finding the Fourth Proportional to 944.52, 1,415.26 and 671.14

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Solution

The fourth proportional to 944.52, 1,415.26 and 671.14 is: 1,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.52 : 1,415.26 = 671.14 : x
  2. Step 2: Convert to fraction form
    944.52/1,415.26 = 671.14/x
  3. Step 3: Cross multiply
    944.52x = 1,415.26 × 671.14
  4. Step 4: Simplify right side
    944.52x = 949,837.60
  5. Step 5: Solve for x
    x = 949,837.60/944.52
  6. Step 6: Final answer
    x = 1,005.63

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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.