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Finding the Fourth Proportional to 43,816.88, 60,446.22 and 28,703

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Solution

The fourth proportional to 43,816.88, 60,446.22 and 28,703 is: 39,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,816.88 : 60,446.22 = 28,703 : x
  2. Step 2: Convert to fraction form
    43,816.88/60,446.22 = 28,703/x
  3. Step 3: Cross multiply
    43,816.88x = 60,446.22 × 28,703
  4. Step 4: Simplify right side
    43,816.88x = 1,734,987,852.66
  5. Step 5: Solve for x
    x = 1,734,987,852.66/43,816.88
  6. Step 6: Final answer
    x = 39,596.33

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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.