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Finding the Fourth Proportional to 22,571.72, 33,848.22 and 8,529.32

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Solution

The fourth proportional to 22,571.72, 33,848.22 and 8,529.32 is: 12,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571.72 : 33,848.22 = 8,529.32 : x
  2. Step 2: Convert to fraction form
    22,571.72/33,848.22 = 8,529.32/x
  3. Step 3: Cross multiply
    22,571.72x = 33,848.22 × 8,529.32
  4. Step 4: Simplify right side
    22,571.72x = 288,702,299.81
  5. Step 5: Solve for x
    x = 288,702,299.81/22,571.72
  6. Step 6: Final answer
    x = 12,790.44

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1.5x scale

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.