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Finding the Fourth Proportional to 43,694, 65,524.36 and 15,608.80

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Solution

The fourth proportional to 43,694, 65,524.36 and 15,608.80 is: 23,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,694 : 65,524.36 = 15,608.80 : x
  2. Step 2: Convert to fraction form
    43,694/65,524.36 = 15,608.80/x
  3. Step 3: Cross multiply
    43,694x = 65,524.36 × 15,608.80
  4. Step 4: Simplify right side
    43,694x = 1,022,756,630.37
  5. Step 5: Solve for x
    x = 1,022,756,630.37/43,694
  6. Step 6: Final answer
    x = 23,407.26

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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.