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Finding the Fourth Proportional to 1,753.38, 2,630.03 and 829.37

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Solution

The fourth proportional to 1,753.38, 2,630.03 and 829.37 is: 1,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.38 : 2,630.03 = 829.37 : x
  2. Step 2: Convert to fraction form
    1,753.38/2,630.03 = 829.37/x
  3. Step 3: Cross multiply
    1,753.38x = 2,630.03 × 829.37
  4. Step 4: Simplify right side
    1,753.38x = 2,181,250.68
  5. Step 5: Solve for x
    x = 2,181,250.68/1,753.38
  6. Step 6: Final answer
    x = 1,244.03

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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.