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Finding the Fourth Proportional to 67,367, 92,965.21 and 37,155.11

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Solution

The fourth proportional to 67,367, 92,965.21 and 37,155.11 is: 51,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,367 : 92,965.21 = 37,155.11 : x
  2. Step 2: Convert to fraction form
    67,367/92,965.21 = 37,155.11/x
  3. Step 3: Cross multiply
    67,367x = 92,965.21 × 37,155.11
  4. Step 4: Simplify right side
    67,367x = 3,454,132,603.72
  5. Step 5: Solve for x
    x = 3,454,132,603.72/67,367
  6. Step 6: Final answer
    x = 51,273.36

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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.