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Finding the Fourth Proportional to 65,538.63, 98,308.30 and 16,290.63

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Solution

The fourth proportional to 65,538.63, 98,308.30 and 16,290.63 is: 24,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,538.63 : 98,308.30 = 16,290.63 : x
  2. Step 2: Convert to fraction form
    65,538.63/98,308.30 = 16,290.63/x
  3. Step 3: Cross multiply
    65,538.63x = 98,308.30 × 16,290.63
  4. Step 4: Simplify right side
    65,538.63x = 1,601,503,608.96
  5. Step 5: Solve for x
    x = 1,601,503,608.96/65,538.63
  6. Step 6: Final answer
    x = 24,436.03

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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.