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Finding the Fourth Proportional to 65,932.81, 98,911.70 and 26,493.01

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Solution

The fourth proportional to 65,932.81, 98,911.70 and 26,493.01 is: 39,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,932.81 : 98,911.70 = 26,493.01 : x
  2. Step 2: Convert to fraction form
    65,932.81/98,911.70 = 26,493.01/x
  3. Step 3: Cross multiply
    65,932.81x = 98,911.70 × 26,493.01
  4. Step 4: Simplify right side
    65,932.81x = 2,620,468,524.75
  5. Step 5: Solve for x
    x = 2,620,468,524.75/65,932.81
  6. Step 6: Final answer
    x = 39,744.53

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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.