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Finding the Fourth Proportional to 22,295.76, 33,400.26 and 12,405.06

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Solution

The fourth proportional to 22,295.76, 33,400.26 and 12,405.06 is: 18,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.76 : 33,400.26 = 12,405.06 : x
  2. Step 2: Convert to fraction form
    22,295.76/33,400.26 = 12,405.06/x
  3. Step 3: Cross multiply
    22,295.76x = 33,400.26 × 12,405.06
  4. Step 4: Simplify right side
    22,295.76x = 414,332,229.32
  5. Step 5: Solve for x
    x = 414,332,229.32/22,295.76
  6. Step 6: Final answer
    x = 18,583.45

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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.