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Finding the Fourth Proportional to 67,133.86, 92,642.87 and 36,919.18

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Solution

The fourth proportional to 67,133.86, 92,642.87 and 36,919.18 is: 50,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,133.86 : 92,642.87 = 36,919.18 : x
  2. Step 2: Convert to fraction form
    67,133.86/92,642.87 = 36,919.18/x
  3. Step 3: Cross multiply
    67,133.86x = 92,642.87 × 36,919.18
  4. Step 4: Simplify right side
    67,133.86x = 3,420,298,422.33
  5. Step 5: Solve for x
    x = 3,420,298,422.33/67,133.86
  6. Step 6: Final answer
    x = 50,947.45

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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.