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Finding the Fourth Proportional to 67,163.83, 92,684.80 and 36,947.39

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Solution

The fourth proportional to 67,163.83, 92,684.80 and 36,947.39 is: 50,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,163.83 : 92,684.80 = 36,947.39 : x
  2. Step 2: Convert to fraction form
    67,163.83/92,684.80 = 36,947.39/x
  3. Step 3: Cross multiply
    67,163.83x = 92,684.80 × 36,947.39
  4. Step 4: Simplify right side
    67,163.83x = 3,424,461,128.59
  5. Step 5: Solve for x
    x = 3,424,461,128.59/67,163.83
  6. Step 6: Final answer
    x = 50,986.69

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1.5x scale

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.