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Finding the Fourth Proportional to 65,538.50, 98,308.11 and 16,290.50

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Solution

The fourth proportional to 65,538.50, 98,308.11 and 16,290.50 is: 24,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,538.50 : 98,308.11 = 16,290.50 : x
  2. Step 2: Convert to fraction form
    65,538.50/98,308.11 = 16,290.50/x
  3. Step 3: Cross multiply
    65,538.50x = 98,308.11 × 16,290.50
  4. Step 4: Simplify right side
    65,538.50x = 1,601,488,265.96
  5. Step 5: Solve for x
    x = 1,601,488,265.96/65,538.50
  6. Step 6: Final answer
    x = 24,435.84

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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.