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Finding the Fourth Proportional to 944.12, 1,415.67 and 750.37

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Solution

The fourth proportional to 944.12, 1,415.67 and 750.37 is: 1,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.12 : 1,415.67 = 750.37 : x
  2. Step 2: Convert to fraction form
    944.12/1,415.67 = 750.37/x
  3. Step 3: Cross multiply
    944.12x = 1,415.67 × 750.37
  4. Step 4: Simplify right side
    944.12x = 1,062,276.30
  5. Step 5: Solve for x
    x = 1,062,276.30/944.12
  6. Step 6: Final answer
    x = 1,125.15

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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.