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Finding the Fourth Proportional to 67,277.79, 100,963.53 and 27,835.11

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Solution

The fourth proportional to 67,277.79, 100,963.53 and 27,835.11 is: 41,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,277.79 : 100,963.53 = 27,835.11 : x
  2. Step 2: Convert to fraction form
    67,277.79/100,963.53 = 27,835.11/x
  3. Step 3: Cross multiply
    67,277.79x = 100,963.53 × 27,835.11
  4. Step 4: Simplify right side
    67,277.79x = 2,810,330,963.54
  5. Step 5: Solve for x
    x = 2,810,330,963.54/67,277.79
  6. Step 6: Final answer
    x = 41,772.05

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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.