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Finding the Fourth Proportional to 66,958.65, 100,453.37 and 29,529.36

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Solution

The fourth proportional to 66,958.65, 100,453.37 and 29,529.36 is: 44,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.65 : 100,453.37 = 29,529.36 : x
  2. Step 2: Convert to fraction form
    66,958.65/100,453.37 = 29,529.36/x
  3. Step 3: Cross multiply
    66,958.65x = 100,453.37 × 29,529.36
  4. Step 4: Simplify right side
    66,958.65x = 2,966,323,578.30
  5. Step 5: Solve for x
    x = 2,966,323,578.30/66,958.65
  6. Step 6: Final answer
    x = 44,300.83

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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.