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Finding the Fourth Proportional to 5,512.91, 7,602.63 and 4,251.97

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Solution

The fourth proportional to 5,512.91, 7,602.63 and 4,251.97 is: 5,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.91 : 7,602.63 = 4,251.97 : x
  2. Step 2: Convert to fraction form
    5,512.91/7,602.63 = 4,251.97/x
  3. Step 3: Cross multiply
    5,512.91x = 7,602.63 × 4,251.97
  4. Step 4: Simplify right side
    5,512.91x = 32,326,116.67
  5. Step 5: Solve for x
    x = 32,326,116.67/5,512.91
  6. Step 6: Final answer
    x = 5,863.71

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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.