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Finding the Fourth Proportional to 65,716.80, 98,539.20 and 32,363.52

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Solution

The fourth proportional to 65,716.80, 98,539.20 and 32,363.52 is: 48,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,716.80 : 98,539.20 = 32,363.52 : x
  2. Step 2: Convert to fraction form
    65,716.80/98,539.20 = 32,363.52/x
  3. Step 3: Cross multiply
    65,716.80x = 98,539.20 × 32,363.52
  4. Step 4: Simplify right side
    65,716.80x = 3,189,075,369.98
  5. Step 5: Solve for x
    x = 3,189,075,369.98/65,716.80
  6. Step 6: Final answer
    x = 48,527.55

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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.