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Finding the Fourth Proportional to 18,102.29, 24,984.65 and 11,803.73

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Solution

The fourth proportional to 18,102.29, 24,984.65 and 11,803.73 is: 16,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.29 : 24,984.65 = 11,803.73 : x
  2. Step 2: Convert to fraction form
    18,102.29/24,984.65 = 11,803.73/x
  3. Step 3: Cross multiply
    18,102.29x = 24,984.65 × 11,803.73
  4. Step 4: Simplify right side
    18,102.29x = 294,911,967.33
  5. Step 5: Solve for x
    x = 294,911,967.33/18,102.29
  6. Step 6: Final answer
    x = 16,291.42

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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.