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Finding the Fourth Proportional to 43,866.22, 65,824.41 and 18,563.74

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Solution

The fourth proportional to 43,866.22, 65,824.41 and 18,563.74 is: 27,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,866.22 : 65,824.41 = 18,563.74 : x
  2. Step 2: Convert to fraction form
    43,866.22/65,824.41 = 18,563.74/x
  3. Step 3: Cross multiply
    43,866.22x = 65,824.41 × 18,563.74
  4. Step 4: Simplify right side
    43,866.22x = 1,221,947,232.89
  5. Step 5: Solve for x
    x = 1,221,947,232.89/43,866.22
  6. Step 6: Final answer
    x = 27,856.22

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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.