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Finding the Fourth Proportional to 65,980.73, 98,975.72 and 26,538.03

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Solution

The fourth proportional to 65,980.73, 98,975.72 and 26,538.03 is: 39,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,980.73 : 98,975.72 = 26,538.03 : x
  2. Step 2: Convert to fraction form
    65,980.73/98,975.72 = 26,538.03/x
  3. Step 3: Cross multiply
    65,980.73x = 98,975.72 × 26,538.03
  4. Step 4: Simplify right side
    65,980.73x = 2,626,620,692.98
  5. Step 5: Solve for x
    x = 2,626,620,692.98/65,980.73
  6. Step 6: Final answer
    x = 39,808.91

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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.