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Finding the Fourth Proportional to 69,937.68, 104,932.40 and 32,517.84

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Solution

The fourth proportional to 69,937.68, 104,932.40 and 32,517.84 is: 48,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,937.68 : 104,932.40 = 32,517.84 : x
  2. Step 2: Convert to fraction form
    69,937.68/104,932.40 = 32,517.84/x
  3. Step 3: Cross multiply
    69,937.68x = 104,932.40 × 32,517.84
  4. Step 4: Simplify right side
    69,937.68x = 3,412,174,994.02
  5. Step 5: Solve for x
    x = 3,412,174,994.02/69,937.68
  6. Step 6: Final answer
    x = 48,788.79

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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.