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Finding the Fourth Proportional to 22,008.02, 33,012 and 8,857.30

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Solution

The fourth proportional to 22,008.02, 33,012 and 8,857.30 is: 13,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.02 : 33,012 = 8,857.30 : x
  2. Step 2: Convert to fraction form
    22,008.02/33,012 = 8,857.30/x
  3. Step 3: Cross multiply
    22,008.02x = 33,012 × 8,857.30
  4. Step 4: Simplify right side
    22,008.02x = 292,397,187.60
  5. Step 5: Solve for x
    x = 292,397,187.60/22,008.02
  6. Step 6: Final answer
    x = 13,285.94

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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.