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Finding the Fourth Proportional to 1,808.31, 2,708.04 and 1,633.01

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Solution

The fourth proportional to 1,808.31, 2,708.04 and 1,633.01 is: 2,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.31 : 2,708.04 = 1,633.01 : x
  2. Step 2: Convert to fraction form
    1,808.31/2,708.04 = 1,633.01/x
  3. Step 3: Cross multiply
    1,808.31x = 2,708.04 × 1,633.01
  4. Step 4: Simplify right side
    1,808.31x = 4,422,244.88
  5. Step 5: Solve for x
    x = 4,422,244.88/1,808.31
  6. Step 6: Final answer
    x = 2,445.52

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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.