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Finding the Fourth Proportional to 22,262.07, 33,394.12 and 12,393.91

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Solution

The fourth proportional to 22,262.07, 33,394.12 and 12,393.91 is: 18,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.07 : 33,394.12 = 12,393.91 : x
  2. Step 2: Convert to fraction form
    22,262.07/33,394.12 = 12,393.91/x
  3. Step 3: Cross multiply
    22,262.07x = 33,394.12 × 12,393.91
  4. Step 4: Simplify right side
    22,262.07x = 413,883,798.28
  5. Step 5: Solve for x
    x = 413,883,798.28/22,262.07
  6. Step 6: Final answer
    x = 18,591.44

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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.