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Finding the Fourth Proportional to 937.74, 1,293.66 and 544.53

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Solution

The fourth proportional to 937.74, 1,293.66 and 544.53 is: 751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.74 : 1,293.66 = 544.53 : x
  2. Step 2: Convert to fraction form
    937.74/1,293.66 = 544.53/x
  3. Step 3: Cross multiply
    937.74x = 1,293.66 × 544.53
  4. Step 4: Simplify right side
    937.74x = 704,436.68
  5. Step 5: Solve for x
    x = 704,436.68/937.74
  6. Step 6: Final answer
    x = 751.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.