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Finding the Fourth Proportional to 1,473.94, 2,034.49 and 949.97

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Solution

The fourth proportional to 1,473.94, 2,034.49 and 949.97 is: 1,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.94 : 2,034.49 = 949.97 : x
  2. Step 2: Convert to fraction form
    1,473.94/2,034.49 = 949.97/x
  3. Step 3: Cross multiply
    1,473.94x = 2,034.49 × 949.97
  4. Step 4: Simplify right side
    1,473.94x = 1,932,701.33
  5. Step 5: Solve for x
    x = 1,932,701.33/1,473.94
  6. Step 6: Final answer
    x = 1,311.25

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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.