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Finding the Fourth Proportional to 4,193.88, 6,290.80 and 1,073.88

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Solution

The fourth proportional to 4,193.88, 6,290.80 and 1,073.88 is: 1,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.88 : 6,290.80 = 1,073.88 : x
  2. Step 2: Convert to fraction form
    4,193.88/6,290.80 = 1,073.88/x
  3. Step 3: Cross multiply
    4,193.88x = 6,290.80 × 1,073.88
  4. Step 4: Simplify right side
    4,193.88x = 6,755,564.30
  5. Step 5: Solve for x
    x = 6,755,564.30/4,193.88
  6. Step 6: Final answer
    x = 1,610.81

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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.