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Finding the Fourth Proportional to 22,437, 33,660.36 and 8,586

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Solution

The fourth proportional to 22,437, 33,660.36 and 8,586 is: 12,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,437 : 33,660.36 = 8,586 : x
  2. Step 2: Convert to fraction form
    22,437/33,660.36 = 8,586/x
  3. Step 3: Cross multiply
    22,437x = 33,660.36 × 8,586
  4. Step 4: Simplify right side
    22,437x = 289,007,850.96
  5. Step 5: Solve for x
    x = 289,007,850.96/22,437
  6. Step 6: Final answer
    x = 12,880.86

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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.