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Finding the Fourth Proportional to 19,727, 29,595.63 and 5,876

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Solution

The fourth proportional to 19,727, 29,595.63 and 5,876 is: 8,815.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727 : 29,595.63 = 5,876 : x
  2. Step 2: Convert to fraction form
    19,727/29,595.63 = 5,876/x
  3. Step 3: Cross multiply
    19,727x = 29,595.63 × 5,876
  4. Step 4: Simplify right side
    19,727x = 173,903,921.88
  5. Step 5: Solve for x
    x = 173,903,921.88/19,727
  6. Step 6: Final answer
    x = 8,815.53

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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.