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Finding the Fourth Proportional to 22,625.28, 33,937.92 and 7,042.92

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Solution

The fourth proportional to 22,625.28, 33,937.92 and 7,042.92 is: 10,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625.28 : 33,937.92 = 7,042.92 : x
  2. Step 2: Convert to fraction form
    22,625.28/33,937.92 = 7,042.92/x
  3. Step 3: Cross multiply
    22,625.28x = 33,937.92 × 7,042.92
  4. Step 4: Simplify right side
    22,625.28x = 239,022,055.53
  5. Step 5: Solve for x
    x = 239,022,055.53/22,625.28
  6. Step 6: Final answer
    x = 10,564.38

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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.