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Finding the Fourth Proportional to 22,545, 33,818.04 and 8,694

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Solution

The fourth proportional to 22,545, 33,818.04 and 8,694 is: 13,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545 : 33,818.04 = 8,694 : x
  2. Step 2: Convert to fraction form
    22,545/33,818.04 = 8,694/x
  3. Step 3: Cross multiply
    22,545x = 33,818.04 × 8,694
  4. Step 4: Simplify right side
    22,545x = 294,014,039.76
  5. Step 5: Solve for x
    x = 294,014,039.76/22,545
  6. Step 6: Final answer
    x = 13,041.21

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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.