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Finding the Fourth Proportional to 22,476.39, 33,721.28 and 9,994.70

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Solution

The fourth proportional to 22,476.39, 33,721.28 and 9,994.70 is: 14,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,476.39 : 33,721.28 = 9,994.70 : x
  2. Step 2: Convert to fraction form
    22,476.39/33,721.28 = 9,994.70/x
  3. Step 3: Cross multiply
    22,476.39x = 33,721.28 × 9,994.70
  4. Step 4: Simplify right side
    22,476.39x = 337,033,858.64
  5. Step 5: Solve for x
    x = 337,033,858.64/22,476.39
  6. Step 6: Final answer
    x = 14,995.02

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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.