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Finding the Fourth Proportional to 66,571.48, 99,845.88 and 22,193.56

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Solution

The fourth proportional to 66,571.48, 99,845.88 and 22,193.56 is: 33,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,571.48 : 99,845.88 = 22,193.56 : x
  2. Step 2: Convert to fraction form
    66,571.48/99,845.88 = 22,193.56/x
  3. Step 3: Cross multiply
    66,571.48x = 99,845.88 × 22,193.56
  4. Step 4: Simplify right side
    66,571.48x = 2,215,935,528.53
  5. Step 5: Solve for x
    x = 2,215,935,528.53/66,571.48
  6. Step 6: Final answer
    x = 33,286.56

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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.