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Finding the Fourth Proportional to 65,533.68, 98,299.08 and 18,786.96

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Solution

The fourth proportional to 65,533.68, 98,299.08 and 18,786.96 is: 28,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,533.68 : 98,299.08 = 18,786.96 : x
  2. Step 2: Convert to fraction form
    65,533.68/98,299.08 = 18,786.96/x
  3. Step 3: Cross multiply
    65,533.68x = 98,299.08 × 18,786.96
  4. Step 4: Simplify right side
    65,533.68x = 1,846,740,884.00
  5. Step 5: Solve for x
    x = 1,846,740,884.00/65,533.68
  6. Step 6: Final answer
    x = 28,180.03

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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.