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Finding the Fourth Proportional to 84,591.84, 126,861.84 and 22,254.24

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Solution

The fourth proportional to 84,591.84, 126,861.84 and 22,254.24 is: 33,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,591.84 : 126,861.84 = 22,254.24 : x
  2. Step 2: Convert to fraction form
    84,591.84/126,861.84 = 22,254.24/x
  3. Step 3: Cross multiply
    84,591.84x = 126,861.84 × 22,254.24
  4. Step 4: Simplify right side
    84,591.84x = 2,823,213,834.20
  5. Step 5: Solve for x
    x = 2,823,213,834.20/84,591.84
  6. Step 6: Final answer
    x = 33,374.54

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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.