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Finding the Fourth Proportional to 4,799.52, 7,199.42 and 1,512.88

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Solution

The fourth proportional to 4,799.52, 7,199.42 and 1,512.88 is: 2,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.52 : 7,199.42 = 1,512.88 : x
  2. Step 2: Convert to fraction form
    4,799.52/7,199.42 = 1,512.88/x
  3. Step 3: Cross multiply
    4,799.52x = 7,199.42 × 1,512.88
  4. Step 4: Simplify right side
    4,799.52x = 10,891,832.97
  5. Step 5: Solve for x
    x = 10,891,832.97/4,799.52
  6. Step 6: Final answer
    x = 2,269.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.