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Finding the Fourth Proportional to 66,250.56, 99,330.87 and 33,712.83

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Solution

The fourth proportional to 66,250.56, 99,330.87 and 33,712.83 is: 50,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,250.56 : 99,330.87 = 33,712.83 : x
  2. Step 2: Convert to fraction form
    66,250.56/99,330.87 = 33,712.83/x
  3. Step 3: Cross multiply
    66,250.56x = 99,330.87 × 33,712.83
  4. Step 4: Simplify right side
    66,250.56x = 3,348,724,734.06
  5. Step 5: Solve for x
    x = 3,348,724,734.06/66,250.56
  6. Step 6: Final answer
    x = 50,546.36

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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.