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Finding the Fourth Proportional to 937.62, 1,293.71 and 544.64

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Solution

The fourth proportional to 937.62, 1,293.71 and 544.64 is: 751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.62 : 1,293.71 = 544.64 : x
  2. Step 2: Convert to fraction form
    937.62/1,293.71 = 544.64/x
  3. Step 3: Cross multiply
    937.62x = 1,293.71 × 544.64
  4. Step 4: Simplify right side
    937.62x = 704,597.02
  5. Step 5: Solve for x
    x = 704,597.02/937.62
  6. Step 6: Final answer
    x = 751.47

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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.