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Finding the Fourth Proportional to 69,482.68, 104,223.96 and 16,891.84

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Solution

The fourth proportional to 69,482.68, 104,223.96 and 16,891.84 is: 25,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,482.68 : 104,223.96 = 16,891.84 : x
  2. Step 2: Convert to fraction form
    69,482.68/104,223.96 = 16,891.84/x
  3. Step 3: Cross multiply
    69,482.68x = 104,223.96 × 16,891.84
  4. Step 4: Simplify right side
    69,482.68x = 1,760,534,456.49
  5. Step 5: Solve for x
    x = 1,760,534,456.49/69,482.68
  6. Step 6: Final answer
    x = 25,337.75

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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.