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Finding the Fourth Proportional to 22,663.80, 34,020.30 and 16,722.05

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Solution

The fourth proportional to 22,663.80, 34,020.30 and 16,722.05 is: 25,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.80 : 34,020.30 = 16,722.05 : x
  2. Step 2: Convert to fraction form
    22,663.80/34,020.30 = 16,722.05/x
  3. Step 3: Cross multiply
    22,663.80x = 34,020.30 × 16,722.05
  4. Step 4: Simplify right side
    22,663.80x = 568,888,987.51
  5. Step 5: Solve for x
    x = 568,888,987.51/22,663.80
  6. Step 6: Final answer
    x = 25,101.22

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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.