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Finding the Fourth Proportional to 66,474.71, 99,628.89 and 33,204.06

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Solution

The fourth proportional to 66,474.71, 99,628.89 and 33,204.06 is: 49,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474.71 : 99,628.89 = 33,204.06 : x
  2. Step 2: Convert to fraction form
    66,474.71/99,628.89 = 33,204.06/x
  3. Step 3: Cross multiply
    66,474.71x = 99,628.89 × 33,204.06
  4. Step 4: Simplify right side
    66,474.71x = 3,308,083,641.29
  5. Step 5: Solve for x
    x = 3,308,083,641.29/66,474.71
  6. Step 6: Final answer
    x = 49,764.54

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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.