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Finding the Fourth Proportional to 22,426.60, 33,638.68 and 6,843

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Solution

The fourth proportional to 22,426.60, 33,638.68 and 6,843 is: 10,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,426.60 : 33,638.68 = 6,843 : x
  2. Step 2: Convert to fraction form
    22,426.60/33,638.68 = 6,843/x
  3. Step 3: Cross multiply
    22,426.60x = 33,638.68 × 6,843
  4. Step 4: Simplify right side
    22,426.60x = 230,189,487.24
  5. Step 5: Solve for x
    x = 230,189,487.24/22,426.60
  6. Step 6: Final answer
    x = 10,264.13

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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.