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Finding the Fourth Proportional to 22,090.84, 33,149.94 and 8,943.34

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Solution

The fourth proportional to 22,090.84, 33,149.94 and 8,943.34 is: 13,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.84 : 33,149.94 = 8,943.34 : x
  2. Step 2: Convert to fraction form
    22,090.84/33,149.94 = 8,943.34/x
  3. Step 3: Cross multiply
    22,090.84x = 33,149.94 × 8,943.34
  4. Step 4: Simplify right side
    22,090.84x = 296,471,184.40
  5. Step 5: Solve for x
    x = 296,471,184.40/22,090.84
  6. Step 6: Final answer
    x = 13,420.55

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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.