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Finding the Fourth Proportional to 22,507.40, 33,766.12 and 8,467.55

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Solution

The fourth proportional to 22,507.40, 33,766.12 and 8,467.55 is: 12,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,507.40 : 33,766.12 = 8,467.55 : x
  2. Step 2: Convert to fraction form
    22,507.40/33,766.12 = 8,467.55/x
  3. Step 3: Cross multiply
    22,507.40x = 33,766.12 × 8,467.55
  4. Step 4: Simplify right side
    22,507.40x = 285,916,309.41
  5. Step 5: Solve for x
    x = 285,916,309.41/22,507.40
  6. Step 6: Final answer
    x = 12,703.21

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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.