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Finding the Fourth Proportional to 71,893.62, 107,855.01 and 25,179.30

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Solution

The fourth proportional to 71,893.62, 107,855.01 and 25,179.30 is: 37,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,893.62 : 107,855.01 = 25,179.30 : x
  2. Step 2: Convert to fraction form
    71,893.62/107,855.01 = 25,179.30/x
  3. Step 3: Cross multiply
    71,893.62x = 107,855.01 × 25,179.30
  4. Step 4: Simplify right side
    71,893.62x = 2,715,713,653.29
  5. Step 5: Solve for x
    x = 2,715,713,653.29/71,893.62
  6. Step 6: Final answer
    x = 37,774.06

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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.