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Finding the Fourth Proportional to 22,296.20, 33,444.30 and 21,000.20

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Solution

The fourth proportional to 22,296.20, 33,444.30 and 21,000.20 is: 31,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296.20 : 33,444.30 = 21,000.20 : x
  2. Step 2: Convert to fraction form
    22,296.20/33,444.30 = 21,000.20/x
  3. Step 3: Cross multiply
    22,296.20x = 33,444.30 × 21,000.20
  4. Step 4: Simplify right side
    22,296.20x = 702,336,988.86
  5. Step 5: Solve for x
    x = 702,336,988.86/22,296.20
  6. Step 6: Final answer
    x = 31,500.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.