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Finding the Fourth Proportional to 1,796.68, 2,473.17 and 1,563.40

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Solution

The fourth proportional to 1,796.68, 2,473.17 and 1,563.40 is: 2,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.68 : 2,473.17 = 1,563.40 : x
  2. Step 2: Convert to fraction form
    1,796.68/2,473.17 = 1,563.40/x
  3. Step 3: Cross multiply
    1,796.68x = 2,473.17 × 1,563.40
  4. Step 4: Simplify right side
    1,796.68x = 3,866,553.98
  5. Step 5: Solve for x
    x = 3,866,553.98/1,796.68
  6. Step 6: Final answer
    x = 2,152.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.