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Finding the Fourth Proportional to 43,722, 60,326.64 and 25,817.76

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Solution

The fourth proportional to 43,722, 60,326.64 and 25,817.76 is: 35,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722 : 60,326.64 = 25,817.76 : x
  2. Step 2: Convert to fraction form
    43,722/60,326.64 = 25,817.76/x
  3. Step 3: Cross multiply
    43,722x = 60,326.64 × 25,817.76
  4. Step 4: Simplify right side
    43,722x = 1,557,498,713.13
  5. Step 5: Solve for x
    x = 1,557,498,713.13/43,722
  6. Step 6: Final answer
    x = 35,622.77

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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.