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Finding the Fourth Proportional to 937.54, 1,403.58 and 741.18

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Solution

The fourth proportional to 937.54, 1,403.58 and 741.18 is: 1,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.54 : 1,403.58 = 741.18 : x
  2. Step 2: Convert to fraction form
    937.54/1,403.58 = 741.18/x
  3. Step 3: Cross multiply
    937.54x = 1,403.58 × 741.18
  4. Step 4: Simplify right side
    937.54x = 1,040,305.42
  5. Step 5: Solve for x
    x = 1,040,305.42/937.54
  6. Step 6: Final answer
    x = 1,109.61

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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.