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Finding the Fourth Proportional to 48,909.43, 73,369.01 and 17,747.11

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Solution

The fourth proportional to 48,909.43, 73,369.01 and 17,747.11 is: 26,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,909.43 : 73,369.01 = 17,747.11 : x
  2. Step 2: Convert to fraction form
    48,909.43/73,369.01 = 17,747.11/x
  3. Step 3: Cross multiply
    48,909.43x = 73,369.01 × 17,747.11
  4. Step 4: Simplify right side
    48,909.43x = 1,302,087,891.06
  5. Step 5: Solve for x
    x = 1,302,087,891.06/48,909.43
  6. Step 6: Final answer
    x = 26,622.43

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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.