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Finding the Fourth Proportional to 22,906.63, 34,363.64 and 11,220.76

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Solution

The fourth proportional to 22,906.63, 34,363.64 and 11,220.76 is: 16,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,906.63 : 34,363.64 = 11,220.76 : x
  2. Step 2: Convert to fraction form
    22,906.63/34,363.64 = 11,220.76/x
  3. Step 3: Cross multiply
    22,906.63x = 34,363.64 × 11,220.76
  4. Step 4: Simplify right side
    22,906.63x = 385,586,157.17
  5. Step 5: Solve for x
    x = 385,586,157.17/22,906.63
  6. Step 6: Final answer
    x = 16,832.95

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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.