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Finding the Fourth Proportional to 22,502.80, 33,754.12 and 12,502.84

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Solution

The fourth proportional to 22,502.80, 33,754.12 and 12,502.84 is: 18,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502.80 : 33,754.12 = 12,502.84 : x
  2. Step 2: Convert to fraction form
    22,502.80/33,754.12 = 12,502.84/x
  3. Step 3: Cross multiply
    22,502.80x = 33,754.12 × 12,502.84
  4. Step 4: Simplify right side
    22,502.80x = 422,022,361.70
  5. Step 5: Solve for x
    x = 422,022,361.70/22,502.80
  6. Step 6: Final answer
    x = 18,754.22

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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.