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Finding the Fourth Proportional to 22,409.73, 33,629.88 and 14,515.88

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Solution

The fourth proportional to 22,409.73, 33,629.88 and 14,515.88 is: 21,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.73 : 33,629.88 = 14,515.88 : x
  2. Step 2: Convert to fraction form
    22,409.73/33,629.88 = 14,515.88/x
  3. Step 3: Cross multiply
    22,409.73x = 33,629.88 × 14,515.88
  4. Step 4: Simplify right side
    22,409.73x = 488,167,188.78
  5. Step 5: Solve for x
    x = 488,167,188.78/22,409.73
  6. Step 6: Final answer
    x = 21,783.72

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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.