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Finding the Fourth Proportional to 16,073.76, 22,181.78 and 9,001.24

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Solution

The fourth proportional to 16,073.76, 22,181.78 and 9,001.24 is: 12,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,073.76 : 22,181.78 = 9,001.24 : x
  2. Step 2: Convert to fraction form
    16,073.76/22,181.78 = 9,001.24/x
  3. Step 3: Cross multiply
    16,073.76x = 22,181.78 × 9,001.24
  4. Step 4: Simplify right side
    16,073.76x = 199,663,525.41
  5. Step 5: Solve for x
    x = 199,663,525.41/16,073.76
  6. Step 6: Final answer
    x = 12,421.71

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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.