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Finding the Fourth Proportional to 22,086.70, 33,125.29 and 7,292.12

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Solution

The fourth proportional to 22,086.70, 33,125.29 and 7,292.12 is: 10,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,086.70 : 33,125.29 = 7,292.12 : x
  2. Step 2: Convert to fraction form
    22,086.70/33,125.29 = 7,292.12/x
  3. Step 3: Cross multiply
    22,086.70x = 33,125.29 × 7,292.12
  4. Step 4: Simplify right side
    22,086.70x = 241,553,405.86
  5. Step 5: Solve for x
    x = 241,553,405.86/22,086.70
  6. Step 6: Final answer
    x = 10,936.60

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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.