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Finding the Fourth Proportional to 2,799.02, 4,197.09 and 1,043.95

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Solution

The fourth proportional to 2,799.02, 4,197.09 and 1,043.95 is: 1,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.02 : 4,197.09 = 1,043.95 : x
  2. Step 2: Convert to fraction form
    2,799.02/4,197.09 = 1,043.95/x
  3. Step 3: Cross multiply
    2,799.02x = 4,197.09 × 1,043.95
  4. Step 4: Simplify right side
    2,799.02x = 4,381,531.12
  5. Step 5: Solve for x
    x = 4,381,531.12/2,799.02
  6. Step 6: Final answer
    x = 1,565.38

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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.