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Finding the Fourth Proportional to 2,951.91, 4,073.63 and 1,625.69

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Solution

The fourth proportional to 2,951.91, 4,073.63 and 1,625.69 is: 2,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.91 : 4,073.63 = 1,625.69 : x
  2. Step 2: Convert to fraction form
    2,951.91/4,073.63 = 1,625.69/x
  3. Step 3: Cross multiply
    2,951.91x = 4,073.63 × 1,625.69
  4. Step 4: Simplify right side
    2,951.91x = 6,622,431.06
  5. Step 5: Solve for x
    x = 6,622,431.06/2,951.91
  6. Step 6: Final answer
    x = 2,243.44

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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.