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Finding the Fourth Proportional to 60,726.94, 91,093.20 and 18,604

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Solution

The fourth proportional to 60,726.94, 91,093.20 and 18,604 is: 27,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,726.94 : 91,093.20 = 18,604 : x
  2. Step 2: Convert to fraction form
    60,726.94/91,093.20 = 18,604/x
  3. Step 3: Cross multiply
    60,726.94x = 91,093.20 × 18,604
  4. Step 4: Simplify right side
    60,726.94x = 1,694,697,892.80
  5. Step 5: Solve for x
    x = 1,694,697,892.80/60,726.94
  6. Step 6: Final answer
    x = 27,906.85

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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.