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Finding the Fourth Proportional to 22,509.92, 33,757.12 and 10,661.92

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Solution

The fourth proportional to 22,509.92, 33,757.12 and 10,661.92 is: 15,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,509.92 : 33,757.12 = 10,661.92 : x
  2. Step 2: Convert to fraction form
    22,509.92/33,757.12 = 10,661.92/x
  3. Step 3: Cross multiply
    22,509.92x = 33,757.12 × 10,661.92
  4. Step 4: Simplify right side
    22,509.92x = 359,915,712.87
  5. Step 5: Solve for x
    x = 359,915,712.87/22,509.92
  6. Step 6: Final answer
    x = 15,989.20

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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.