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Finding the Fourth Proportional to 2,799.97, 4,184.84 and 2,445.80

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Solution

The fourth proportional to 2,799.97, 4,184.84 and 2,445.80 is: 3,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.97 : 4,184.84 = 2,445.80 : x
  2. Step 2: Convert to fraction form
    2,799.97/4,184.84 = 2,445.80/x
  3. Step 3: Cross multiply
    2,799.97x = 4,184.84 × 2,445.80
  4. Step 4: Simplify right side
    2,799.97x = 10,235,266.86
  5. Step 5: Solve for x
    x = 10,235,266.86/2,799.97
  6. Step 6: Final answer
    x = 3,655.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.