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Finding the Fourth Proportional to 3,597.78, 4,965.15 and 2,200.80

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Solution

The fourth proportional to 3,597.78, 4,965.15 and 2,200.80 is: 3,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,597.78 : 4,965.15 = 2,200.80 : x
  2. Step 2: Convert to fraction form
    3,597.78/4,965.15 = 2,200.80/x
  3. Step 3: Cross multiply
    3,597.78x = 4,965.15 × 2,200.80
  4. Step 4: Simplify right side
    3,597.78x = 10,927,302.12
  5. Step 5: Solve for x
    x = 10,927,302.12/3,597.78
  6. Step 6: Final answer
    x = 3,037.23

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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.