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Finding the Fourth Proportional to 60,936.56, 91,385.28 and 19,373.84

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Solution

The fourth proportional to 60,936.56, 91,385.28 and 19,373.84 is: 29,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,936.56 : 91,385.28 = 19,373.84 : x
  2. Step 2: Convert to fraction form
    60,936.56/91,385.28 = 19,373.84/x
  3. Step 3: Cross multiply
    60,936.56x = 91,385.28 × 19,373.84
  4. Step 4: Simplify right side
    60,936.56x = 1,770,483,793.08
  5. Step 5: Solve for x
    x = 1,770,483,793.08/60,936.56
  6. Step 6: Final answer
    x = 29,054.54

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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.