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Finding the Fourth Proportional to 43,222.44, 64,794.78 and 15,501

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Solution

The fourth proportional to 43,222.44, 64,794.78 and 15,501 is: 23,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,222.44 : 64,794.78 = 15,501 : x
  2. Step 2: Convert to fraction form
    43,222.44/64,794.78 = 15,501/x
  3. Step 3: Cross multiply
    43,222.44x = 64,794.78 × 15,501
  4. Step 4: Simplify right side
    43,222.44x = 1,004,383,884.78
  5. Step 5: Solve for x
    x = 1,004,383,884.78/43,222.44
  6. Step 6: Final answer
    x = 23,237.56

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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.