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Finding the Fourth Proportional to 15,858.14, 23,788.23 and 5,327.73

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Solution

The fourth proportional to 15,858.14, 23,788.23 and 5,327.73 is: 7,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.14 : 23,788.23 = 5,327.73 : x
  2. Step 2: Convert to fraction form
    15,858.14/23,788.23 = 5,327.73/x
  3. Step 3: Cross multiply
    15,858.14x = 23,788.23 × 5,327.73
  4. Step 4: Simplify right side
    15,858.14x = 126,737,266.62
  5. Step 5: Solve for x
    x = 126,737,266.62/15,858.14
  6. Step 6: Final answer
    x = 7,991.94

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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.