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Finding the Fourth Proportional to 67,138.88, 92,651.99 and 36,926.13

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Solution

The fourth proportional to 67,138.88, 92,651.99 and 36,926.13 is: 50,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138.88 : 92,651.99 = 36,926.13 : x
  2. Step 2: Convert to fraction form
    67,138.88/92,651.99 = 36,926.13/x
  3. Step 3: Cross multiply
    67,138.88x = 92,651.99 × 36,926.13
  4. Step 4: Simplify right side
    67,138.88x = 3,421,279,242.87
  5. Step 5: Solve for x
    x = 3,421,279,242.87/67,138.88
  6. Step 6: Final answer
    x = 50,958.24

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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.