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Finding the Fourth Proportional to 66,657.44, 100,011.44 and 40,022.04

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Solution

The fourth proportional to 66,657.44, 100,011.44 and 40,022.04 is: 60,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,657.44 : 100,011.44 = 40,022.04 : x
  2. Step 2: Convert to fraction form
    66,657.44/100,011.44 = 40,022.04/x
  3. Step 3: Cross multiply
    66,657.44x = 100,011.44 × 40,022.04
  4. Step 4: Simplify right side
    66,657.44x = 4,002,661,852.14
  5. Step 5: Solve for x
    x = 4,002,661,852.14/66,657.44
  6. Step 6: Final answer
    x = 60,048.24

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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.