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Finding the Fourth Proportional to 22,408.71, 33,608.75 and 8,554.47

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Solution

The fourth proportional to 22,408.71, 33,608.75 and 8,554.47 is: 12,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,408.71 : 33,608.75 = 8,554.47 : x
  2. Step 2: Convert to fraction form
    22,408.71/33,608.75 = 8,554.47/x
  3. Step 3: Cross multiply
    22,408.71x = 33,608.75 × 8,554.47
  4. Step 4: Simplify right side
    22,408.71x = 287,505,000.84
  5. Step 5: Solve for x
    x = 287,505,000.84/22,408.71
  6. Step 6: Final answer
    x = 12,830.06

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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.