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Finding the Fourth Proportional to 22,213.50, 33,192.92 and 16,919.10

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Solution

The fourth proportional to 22,213.50, 33,192.92 and 16,919.10 is: 25,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.50 : 33,192.92 = 16,919.10 : x
  2. Step 2: Convert to fraction form
    22,213.50/33,192.92 = 16,919.10/x
  3. Step 3: Cross multiply
    22,213.50x = 33,192.92 × 16,919.10
  4. Step 4: Simplify right side
    22,213.50x = 561,594,248.18
  5. Step 5: Solve for x
    x = 561,594,248.18/22,213.50
  6. Step 6: Final answer
    x = 25,281.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.