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Finding the Fourth Proportional to 60,879.62, 91,302.41 and 25,795.28

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Solution

The fourth proportional to 60,879.62, 91,302.41 and 25,795.28 is: 38,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,879.62 : 91,302.41 = 25,795.28 : x
  2. Step 2: Convert to fraction form
    60,879.62/91,302.41 = 25,795.28/x
  3. Step 3: Cross multiply
    60,879.62x = 91,302.41 × 25,795.28
  4. Step 4: Simplify right side
    60,879.62x = 2,355,170,645.14
  5. Step 5: Solve for x
    x = 2,355,170,645.14/60,879.62
  6. Step 6: Final answer
    x = 38,685.70

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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.