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Finding the Fourth Proportional to 16,581.16, 24,872.98 and 5,495.68

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Solution

The fourth proportional to 16,581.16, 24,872.98 and 5,495.68 is: 8,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.16 : 24,872.98 = 5,495.68 : x
  2. Step 2: Convert to fraction form
    16,581.16/24,872.98 = 5,495.68/x
  3. Step 3: Cross multiply
    16,581.16x = 24,872.98 × 5,495.68
  4. Step 4: Simplify right side
    16,581.16x = 136,693,938.73
  5. Step 5: Solve for x
    x = 136,693,938.73/16,581.16
  6. Step 6: Final answer
    x = 8,243.93

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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.