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Finding the Fourth Proportional to 69,866.88, 96,440.59 and 41,571.96

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Solution

The fourth proportional to 69,866.88, 96,440.59 and 41,571.96 is: 57,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,866.88 : 96,440.59 = 41,571.96 : x
  2. Step 2: Convert to fraction form
    69,866.88/96,440.59 = 41,571.96/x
  3. Step 3: Cross multiply
    69,866.88x = 96,440.59 × 41,571.96
  4. Step 4: Simplify right side
    69,866.88x = 4,009,224,349.86
  5. Step 5: Solve for x
    x = 4,009,224,349.86/69,866.88
  6. Step 6: Final answer
    x = 57,383.76

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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.