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Finding the Fourth Proportional to 66,474.57, 99,628.71 and 33,203.92

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Solution

The fourth proportional to 66,474.57, 99,628.71 and 33,203.92 is: 49,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474.57 : 99,628.71 = 33,203.92 : x
  2. Step 2: Convert to fraction form
    66,474.57/99,628.71 = 33,203.92/x
  3. Step 3: Cross multiply
    66,474.57x = 99,628.71 × 33,203.92
  4. Step 4: Simplify right side
    66,474.57x = 3,308,063,903.37
  5. Step 5: Solve for x
    x = 3,308,063,903.37/66,474.57
  6. Step 6: Final answer
    x = 49,764.35

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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.