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Finding the Fourth Proportional to 25,967.01, 38,922.71 and 18,548.97

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Solution

The fourth proportional to 25,967.01, 38,922.71 and 18,548.97 is: 27,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,967.01 : 38,922.71 = 18,548.97 : x
  2. Step 2: Convert to fraction form
    25,967.01/38,922.71 = 18,548.97/x
  3. Step 3: Cross multiply
    25,967.01x = 38,922.71 × 18,548.97
  4. Step 4: Simplify right side
    25,967.01x = 721,976,180.11
  5. Step 5: Solve for x
    x = 721,976,180.11/25,967.01
  6. Step 6: Final answer
    x = 27,803.59

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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.