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Finding the Fourth Proportional to 22,659.48, 33,945.48 and 10,980.90

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Solution

The fourth proportional to 22,659.48, 33,945.48 and 10,980.90 is: 16,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.48 : 33,945.48 = 10,980.90 : x
  2. Step 2: Convert to fraction form
    22,659.48/33,945.48 = 10,980.90/x
  3. Step 3: Cross multiply
    22,659.48x = 33,945.48 × 10,980.90
  4. Step 4: Simplify right side
    22,659.48x = 372,751,921.33
  5. Step 5: Solve for x
    x = 372,751,921.33/22,659.48
  6. Step 6: Final answer
    x = 16,450.15

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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.