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Finding the Fourth Proportional to 2,165.01, 3,247.92 and 704.58

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Solution

The fourth proportional to 2,165.01, 3,247.92 and 704.58 is: 1,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.01 : 3,247.92 = 704.58 : x
  2. Step 2: Convert to fraction form
    2,165.01/3,247.92 = 704.58/x
  3. Step 3: Cross multiply
    2,165.01x = 3,247.92 × 704.58
  4. Step 4: Simplify right side
    2,165.01x = 2,288,419.47
  5. Step 5: Solve for x
    x = 2,288,419.47/2,165.01
  6. Step 6: Final answer
    x = 1,057.00

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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.