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Finding the Fourth Proportional to 59,481.84, 89,222.88 and 20,066.60

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Solution

The fourth proportional to 59,481.84, 89,222.88 and 20,066.60 is: 30,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,481.84 : 89,222.88 = 20,066.60 : x
  2. Step 2: Convert to fraction form
    59,481.84/89,222.88 = 20,066.60/x
  3. Step 3: Cross multiply
    59,481.84x = 89,222.88 × 20,066.60
  4. Step 4: Simplify right side
    59,481.84x = 1,790,399,843.81
  5. Step 5: Solve for x
    x = 1,790,399,843.81/59,481.84
  6. Step 6: Final answer
    x = 30,099.94

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Similar ratio
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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.