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Finding the Fourth Proportional to 69,014.53, 103,540.65 and 24,645.79

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Solution

The fourth proportional to 69,014.53, 103,540.65 and 24,645.79 is: 36,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,014.53 : 103,540.65 = 24,645.79 : x
  2. Step 2: Convert to fraction form
    69,014.53/103,540.65 = 24,645.79/x
  3. Step 3: Cross multiply
    69,014.53x = 103,540.65 × 24,645.79
  4. Step 4: Simplify right side
    69,014.53x = 2,551,841,116.36
  5. Step 5: Solve for x
    x = 2,551,841,116.36/69,014.53
  6. Step 6: Final answer
    x = 36,975.42

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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.