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Finding the Fourth Proportional to 67,121.59, 92,629.96 and 36,909.09

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Solution

The fourth proportional to 67,121.59, 92,629.96 and 36,909.09 is: 50,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,121.59 : 92,629.96 = 36,909.09 : x
  2. Step 2: Convert to fraction form
    67,121.59/92,629.96 = 36,909.09/x
  3. Step 3: Cross multiply
    67,121.59x = 92,629.96 × 36,909.09
  4. Step 4: Simplify right side
    67,121.59x = 3,418,887,530.34
  5. Step 5: Solve for x
    x = 3,418,887,530.34/67,121.59
  6. Step 6: Final answer
    x = 50,935.74

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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.