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Finding the Fourth Proportional to 22,331.99, 33,448.77 and 12,446.75

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Solution

The fourth proportional to 22,331.99, 33,448.77 and 12,446.75 is: 18,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.99 : 33,448.77 = 12,446.75 : x
  2. Step 2: Convert to fraction form
    22,331.99/33,448.77 = 12,446.75/x
  3. Step 3: Cross multiply
    22,331.99x = 33,448.77 × 12,446.75
  4. Step 4: Simplify right side
    22,331.99x = 416,328,478.00
  5. Step 5: Solve for x
    x = 416,328,478.00/22,331.99
  6. Step 6: Final answer
    x = 18,642.69

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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.