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Finding the Fourth Proportional to 937.98, 1,294.95 and 834.17

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Solution

The fourth proportional to 937.98, 1,294.95 and 834.17 is: 1,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.98 : 1,294.95 = 834.17 : x
  2. Step 2: Convert to fraction form
    937.98/1,294.95 = 834.17/x
  3. Step 3: Cross multiply
    937.98x = 1,294.95 × 834.17
  4. Step 4: Simplify right side
    937.98x = 1,080,206.82
  5. Step 5: Solve for x
    x = 1,080,206.82/937.98
  6. Step 6: Final answer
    x = 1,151.64

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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.