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Finding the Fourth Proportional to 937.66, 1,294.88 and 704.38

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Solution

The fourth proportional to 937.66, 1,294.88 and 704.38 is: 972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.66 : 1,294.88 = 704.38 : x
  2. Step 2: Convert to fraction form
    937.66/1,294.88 = 704.38/x
  3. Step 3: Cross multiply
    937.66x = 1,294.88 × 704.38
  4. Step 4: Simplify right side
    937.66x = 912,087.57
  5. Step 5: Solve for x
    x = 912,087.57/937.66
  6. Step 6: Final answer
    x = 972.73

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1.5x scale

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.