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Finding the Fourth Proportional to 69,199.39, 95,495.52 and 38,986.03

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Solution

The fourth proportional to 69,199.39, 95,495.52 and 38,986.03 is: 53,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,199.39 : 95,495.52 = 38,986.03 : x
  2. Step 2: Convert to fraction form
    69,199.39/95,495.52 = 38,986.03/x
  3. Step 3: Cross multiply
    69,199.39x = 95,495.52 × 38,986.03
  4. Step 4: Simplify right side
    69,199.39x = 3,722,991,207.59
  5. Step 5: Solve for x
    x = 3,722,991,207.59/69,199.39
  6. Step 6: Final answer
    x = 53,800.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.