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Finding the Fourth Proportional to 937.08, 1,399.05 and 844.92

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Solution

The fourth proportional to 937.08, 1,399.05 and 844.92 is: 1,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.08 : 1,399.05 = 844.92 : x
  2. Step 2: Convert to fraction form
    937.08/1,399.05 = 844.92/x
  3. Step 3: Cross multiply
    937.08x = 1,399.05 × 844.92
  4. Step 4: Simplify right side
    937.08x = 1,182,085.33
  5. Step 5: Solve for x
    x = 1,182,085.33/937.08
  6. Step 6: Final answer
    x = 1,261.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.