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Finding the Fourth Proportional to 1,798.00, 2,694.20 and 1,407.04

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Solution

The fourth proportional to 1,798.00, 2,694.20 and 1,407.04 is: 2,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.00 : 2,694.20 = 1,407.04 : x
  2. Step 2: Convert to fraction form
    1,798.00/2,694.20 = 1,407.04/x
  3. Step 3: Cross multiply
    1,798.00x = 2,694.20 × 1,407.04
  4. Step 4: Simplify right side
    1,798.00x = 3,790,833.40
  5. Step 5: Solve for x
    x = 3,790,833.40/1,798.00
  6. Step 6: Final answer
    x = 2,108.36

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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.