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Finding the Fourth Proportional to 1,634.68, 2,452.35 and 801.10

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Solution

The fourth proportional to 1,634.68, 2,452.35 and 801.10 is: 1,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.68 : 2,452.35 = 801.10 : x
  2. Step 2: Convert to fraction form
    1,634.68/2,452.35 = 801.10/x
  3. Step 3: Cross multiply
    1,634.68x = 2,452.35 × 801.10
  4. Step 4: Simplify right side
    1,634.68x = 1,964,577.59
  5. Step 5: Solve for x
    x = 1,964,577.59/1,634.68
  6. Step 6: Final answer
    x = 1,201.81

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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.