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Finding the Fourth Proportional to 19,891.42, 29,837.22 and 6,040.42

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Solution

The fourth proportional to 19,891.42, 29,837.22 and 6,040.42 is: 9,060.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.42 : 29,837.22 = 6,040.42 : x
  2. Step 2: Convert to fraction form
    19,891.42/29,837.22 = 6,040.42/x
  3. Step 3: Cross multiply
    19,891.42x = 29,837.22 × 6,040.42
  4. Step 4: Simplify right side
    19,891.42x = 180,229,340.43
  5. Step 5: Solve for x
    x = 180,229,340.43/19,891.42
  6. Step 6: Final answer
    x = 9,060.66

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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.