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Finding the Fourth Proportional to 69,398.61, 104,136.41 and 33,860.23

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Solution

The fourth proportional to 69,398.61, 104,136.41 and 33,860.23 is: 50,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,398.61 : 104,136.41 = 33,860.23 : x
  2. Step 2: Convert to fraction form
    69,398.61/104,136.41 = 33,860.23/x
  3. Step 3: Cross multiply
    69,398.61x = 104,136.41 × 33,860.23
  4. Step 4: Simplify right side
    69,398.61x = 3,526,082,523.05
  5. Step 5: Solve for x
    x = 3,526,082,523.05/69,398.61
  6. Step 6: Final answer
    x = 50,809.12

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1.5x scale

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.