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Finding the Fourth Proportional to 22,092.40, 33,138.60 and 19,905.40

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Solution

The fourth proportional to 22,092.40, 33,138.60 and 19,905.40 is: 29,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,092.40 : 33,138.60 = 19,905.40 : x
  2. Step 2: Convert to fraction form
    22,092.40/33,138.60 = 19,905.40/x
  3. Step 3: Cross multiply
    22,092.40x = 33,138.60 × 19,905.40
  4. Step 4: Simplify right side
    22,092.40x = 659,637,088.44
  5. Step 5: Solve for x
    x = 659,637,088.44/22,092.40
  6. Step 6: Final answer
    x = 29,858.10

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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.