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Finding the Fourth Proportional to 22,255.40, 33,383.10 and 5,839.40

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Solution

The fourth proportional to 22,255.40, 33,383.10 and 5,839.40 is: 8,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.40 : 33,383.10 = 5,839.40 : x
  2. Step 2: Convert to fraction form
    22,255.40/33,383.10 = 5,839.40/x
  3. Step 3: Cross multiply
    22,255.40x = 33,383.10 × 5,839.40
  4. Step 4: Simplify right side
    22,255.40x = 194,937,274.14
  5. Step 5: Solve for x
    x = 194,937,274.14/22,255.40
  6. Step 6: Final answer
    x = 8,759.10

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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.