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Finding the Fourth Proportional to 22,012.02, 33,018 and 8,861.30

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Solution

The fourth proportional to 22,012.02, 33,018 and 8,861.30 is: 13,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.02 : 33,018 = 8,861.30 : x
  2. Step 2: Convert to fraction form
    22,012.02/33,018 = 8,861.30/x
  3. Step 3: Cross multiply
    22,012.02x = 33,018 × 8,861.30
  4. Step 4: Simplify right side
    22,012.02x = 292,582,403.40
  5. Step 5: Solve for x
    x = 292,582,403.40/22,012.02
  6. Step 6: Final answer
    x = 13,291.94

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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.