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Finding the Fourth Proportional to 22,388.43, 33,552.36 and 8,529.87

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Solution

The fourth proportional to 22,388.43, 33,552.36 and 8,529.87 is: 12,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,388.43 : 33,552.36 = 8,529.87 : x
  2. Step 2: Convert to fraction form
    22,388.43/33,552.36 = 8,529.87/x
  3. Step 3: Cross multiply
    22,388.43x = 33,552.36 × 8,529.87
  4. Step 4: Simplify right side
    22,388.43x = 286,197,268.99
  5. Step 5: Solve for x
    x = 286,197,268.99/22,388.43
  6. Step 6: Final answer
    x = 12,783.27

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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.