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Finding the Fourth Proportional to 15,863.99, 23,795.91 and 9,331.74

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Solution

The fourth proportional to 15,863.99, 23,795.91 and 9,331.74 is: 13,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.99 : 23,795.91 = 9,331.74 : x
  2. Step 2: Convert to fraction form
    15,863.99/23,795.91 = 9,331.74/x
  3. Step 3: Cross multiply
    15,863.99x = 23,795.91 × 9,331.74
  4. Step 4: Simplify right side
    15,863.99x = 222,057,245.18
  5. Step 5: Solve for x
    x = 222,057,245.18/15,863.99
  6. Step 6: Final answer
    x = 13,997.57

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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.