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Finding the Fourth Proportional to 65,692.35, 98,534.88 and 30,656.61

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Solution

The fourth proportional to 65,692.35, 98,534.88 and 30,656.61 is: 45,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,692.35 : 98,534.88 = 30,656.61 : x
  2. Step 2: Convert to fraction form
    65,692.35/98,534.88 = 30,656.61/x
  3. Step 3: Cross multiply
    65,692.35x = 98,534.88 × 30,656.61
  4. Step 4: Simplify right side
    65,692.35x = 3,020,745,387.56
  5. Step 5: Solve for x
    x = 3,020,745,387.56/65,692.35
  6. Step 6: Final answer
    x = 45,983.21

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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.