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Finding the Fourth Proportional to 67,139.28, 92,650.41 and 36,927.69

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Solution

The fourth proportional to 67,139.28, 92,650.41 and 36,927.69 is: 50,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,139.28 : 92,650.41 = 36,927.69 : x
  2. Step 2: Convert to fraction form
    67,139.28/92,650.41 = 36,927.69/x
  3. Step 3: Cross multiply
    67,139.28x = 92,650.41 × 36,927.69
  4. Step 4: Simplify right side
    67,139.28x = 3,421,365,618.85
  5. Step 5: Solve for x
    x = 3,421,365,618.85/67,139.28
  6. Step 6: Final answer
    x = 50,959.22

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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.