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Finding the Fourth Proportional to 62,169.27, 85,803.90 and 36,681.87

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Solution

The fourth proportional to 62,169.27, 85,803.90 and 36,681.87 is: 50,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,169.27 : 85,803.90 = 36,681.87 : x
  2. Step 2: Convert to fraction form
    62,169.27/85,803.90 = 36,681.87/x
  3. Step 3: Cross multiply
    62,169.27x = 85,803.90 × 36,681.87
  4. Step 4: Simplify right side
    62,169.27x = 3,147,447,505.29
  5. Step 5: Solve for x
    x = 3,147,447,505.29/62,169.27
  6. Step 6: Final answer
    x = 50,627.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.