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Finding the Fourth Proportional to 15,967.89, 22,035.69 and 9,257.41

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Solution

The fourth proportional to 15,967.89, 22,035.69 and 9,257.41 is: 12,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.89 : 22,035.69 = 9,257.41 : x
  2. Step 2: Convert to fraction form
    15,967.89/22,035.69 = 9,257.41/x
  3. Step 3: Cross multiply
    15,967.89x = 22,035.69 × 9,257.41
  4. Step 4: Simplify right side
    15,967.89x = 203,993,306.78
  5. Step 5: Solve for x
    x = 203,993,306.78/15,967.89
  6. Step 6: Final answer
    x = 12,775.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.