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Finding the Fourth Proportional to 69,887.94, 104,845.62 and 22,515.48

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Solution

The fourth proportional to 69,887.94, 104,845.62 and 22,515.48 is: 33,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,887.94 : 104,845.62 = 22,515.48 : x
  2. Step 2: Convert to fraction form
    69,887.94/104,845.62 = 22,515.48/x
  3. Step 3: Cross multiply
    69,887.94x = 104,845.62 × 22,515.48
  4. Step 4: Simplify right side
    69,887.94x = 2,360,649,460.20
  5. Step 5: Solve for x
    x = 2,360,649,460.20/69,887.94
  6. Step 6: Final answer
    x = 33,777.64

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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.