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Finding the Fourth Proportional to 69,796.86, 104,611.87 and 25,399.45

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Solution

The fourth proportional to 69,796.86, 104,611.87 and 25,399.45 is: 38,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,796.86 : 104,611.87 = 25,399.45 : x
  2. Step 2: Convert to fraction form
    69,796.86/104,611.87 = 25,399.45/x
  3. Step 3: Cross multiply
    69,796.86x = 104,611.87 × 25,399.45
  4. Step 4: Simplify right side
    69,796.86x = 2,657,083,961.47
  5. Step 5: Solve for x
    x = 2,657,083,961.47/69,796.86
  6. Step 6: Final answer
    x = 38,068.82

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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.