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Finding the Fourth Proportional to 22,612.21, 33,918.60 and 8,568.46

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Solution

The fourth proportional to 22,612.21, 33,918.60 and 8,568.46 is: 12,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.21 : 33,918.60 = 8,568.46 : x
  2. Step 2: Convert to fraction form
    22,612.21/33,918.60 = 8,568.46/x
  3. Step 3: Cross multiply
    22,612.21x = 33,918.60 × 8,568.46
  4. Step 4: Simplify right side
    22,612.21x = 290,630,167.36
  5. Step 5: Solve for x
    x = 290,630,167.36/22,612.21
  6. Step 6: Final answer
    x = 12,852.80

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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.