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Finding the Fourth Proportional to 22,170.40, 33,266.40 and 16,903.60

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Solution

The fourth proportional to 22,170.40, 33,266.40 and 16,903.60 is: 25,363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.40 : 33,266.40 = 16,903.60 : x
  2. Step 2: Convert to fraction form
    22,170.40/33,266.40 = 16,903.60/x
  3. Step 3: Cross multiply
    22,170.40x = 33,266.40 × 16,903.60
  4. Step 4: Simplify right side
    22,170.40x = 562,321,919.04
  5. Step 5: Solve for x
    x = 562,321,919.04/22,170.40
  6. Step 6: Final answer
    x = 25,363.63

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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.