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Finding the Fourth Proportional to 60,963.56, 91,598.70 and 38,786.84

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Solution

The fourth proportional to 60,963.56, 91,598.70 and 38,786.84 is: 58,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,963.56 : 91,598.70 = 38,786.84 : x
  2. Step 2: Convert to fraction form
    60,963.56/91,598.70 = 38,786.84/x
  3. Step 3: Cross multiply
    60,963.56x = 91,598.70 × 38,786.84
  4. Step 4: Simplify right side
    60,963.56x = 3,552,824,121.11
  5. Step 5: Solve for x
    x = 3,552,824,121.11/60,963.56
  6. Step 6: Final answer
    x = 58,277.83

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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.