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Finding the Fourth Proportional to 65,568.48, 98,379.72 and 23,453.88

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Solution

The fourth proportional to 65,568.48, 98,379.72 and 23,453.88 is: 35,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,568.48 : 98,379.72 = 23,453.88 : x
  2. Step 2: Convert to fraction form
    65,568.48/98,379.72 = 23,453.88/x
  3. Step 3: Cross multiply
    65,568.48x = 98,379.72 × 23,453.88
  4. Step 4: Simplify right side
    65,568.48x = 2,307,386,147.31
  5. Step 5: Solve for x
    x = 2,307,386,147.31/65,568.48
  6. Step 6: Final answer
    x = 35,190.48

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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.