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Finding the Fourth Proportional to 60,772.86, 91,169.03 and 25,712.82

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Solution

The fourth proportional to 60,772.86, 91,169.03 and 25,712.82 is: 38,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,772.86 : 91,169.03 = 25,712.82 : x
  2. Step 2: Convert to fraction form
    60,772.86/91,169.03 = 25,712.82/x
  3. Step 3: Cross multiply
    60,772.86x = 91,169.03 × 25,712.82
  4. Step 4: Simplify right side
    60,772.86x = 2,344,212,857.96
  5. Step 5: Solve for x
    x = 2,344,212,857.96/60,772.86
  6. Step 6: Final answer
    x = 38,573.35

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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.