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Finding the Fourth Proportional to 2,951.96, 4,073.75 and 1,625.65

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Solution

The fourth proportional to 2,951.96, 4,073.75 and 1,625.65 is: 2,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.96 : 4,073.75 = 1,625.65 : x
  2. Step 2: Convert to fraction form
    2,951.96/4,073.75 = 1,625.65/x
  3. Step 3: Cross multiply
    2,951.96x = 4,073.75 × 1,625.65
  4. Step 4: Simplify right side
    2,951.96x = 6,622,479.47
  5. Step 5: Solve for x
    x = 6,622,479.47/2,951.96
  6. Step 6: Final answer
    x = 2,243.42

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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.