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Finding the Fourth Proportional to 3,270.68, 4,901.14 and 2,799.64

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Solution

The fourth proportional to 3,270.68, 4,901.14 and 2,799.64 is: 4,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.68 : 4,901.14 = 2,799.64 : x
  2. Step 2: Convert to fraction form
    3,270.68/4,901.14 = 2,799.64/x
  3. Step 3: Cross multiply
    3,270.68x = 4,901.14 × 2,799.64
  4. Step 4: Simplify right side
    3,270.68x = 13,721,427.59
  5. Step 5: Solve for x
    x = 13,721,427.59/3,270.68
  6. Step 6: Final answer
    x = 4,195.28

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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.