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Finding the Fourth Proportional to 3,268.17, 4,902.11 and 803.01

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Solution

The fourth proportional to 3,268.17, 4,902.11 and 803.01 is: 1,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.17 : 4,902.11 = 803.01 : x
  2. Step 2: Convert to fraction form
    3,268.17/4,902.11 = 803.01/x
  3. Step 3: Cross multiply
    3,268.17x = 4,902.11 × 803.01
  4. Step 4: Simplify right side
    3,268.17x = 3,936,439.34
  5. Step 5: Solve for x
    x = 3,936,439.34/3,268.17
  6. Step 6: Final answer
    x = 1,204.48

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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.