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Finding the Fourth Proportional to 67,151.70, 92,669.53 and 36,940.12

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Solution

The fourth proportional to 67,151.70, 92,669.53 and 36,940.12 is: 50,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,151.70 : 92,669.53 = 36,940.12 : x
  2. Step 2: Convert to fraction form
    67,151.70/92,669.53 = 36,940.12/x
  3. Step 3: Cross multiply
    67,151.70x = 92,669.53 × 36,940.12
  4. Step 4: Simplify right side
    67,151.70x = 3,423,223,558.54
  5. Step 5: Solve for x
    x = 3,423,223,558.54/67,151.70
  6. Step 6: Final answer
    x = 50,977.47

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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.