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Finding the Fourth Proportional to 62,961.60, 86,860.50 and 41,703.96

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Solution

The fourth proportional to 62,961.60, 86,860.50 and 41,703.96 is: 57,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,961.60 : 86,860.50 = 41,703.96 : x
  2. Step 2: Convert to fraction form
    62,961.60/86,860.50 = 41,703.96/x
  3. Step 3: Cross multiply
    62,961.60x = 86,860.50 × 41,703.96
  4. Step 4: Simplify right side
    62,961.60x = 3,622,427,221.50
  5. Step 5: Solve for x
    x = 3,622,427,221.50/62,961.60
  6. Step 6: Final answer
    x = 57,533.91

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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.