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Finding the Fourth Proportional to 45,890.62, 68,843.13 and 19,595.50

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Solution

The fourth proportional to 45,890.62, 68,843.13 and 19,595.50 is: 29,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.62 : 68,843.13 = 19,595.50 : x
  2. Step 2: Convert to fraction form
    45,890.62/68,843.13 = 19,595.50/x
  3. Step 3: Cross multiply
    45,890.62x = 68,843.13 × 19,595.50
  4. Step 4: Simplify right side
    45,890.62x = 1,349,015,553.92
  5. Step 5: Solve for x
    x = 1,349,015,553.92/45,890.62
  6. Step 6: Final answer
    x = 29,396.32

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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.