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Finding the Fourth Proportional to 22,419.84, 33,634.80 and 6,839.04

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Solution

The fourth proportional to 22,419.84, 33,634.80 and 6,839.04 is: 10,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.84 : 33,634.80 = 6,839.04 : x
  2. Step 2: Convert to fraction form
    22,419.84/33,634.80 = 6,839.04/x
  3. Step 3: Cross multiply
    22,419.84x = 33,634.80 × 6,839.04
  4. Step 4: Simplify right side
    22,419.84x = 230,029,742.59
  5. Step 5: Solve for x
    x = 230,029,742.59/22,419.84
  6. Step 6: Final answer
    x = 10,260.10

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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.