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Finding the Fourth Proportional to 67,134.74, 92,644.08 and 36,920.05

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Solution

The fourth proportional to 67,134.74, 92,644.08 and 36,920.05 is: 50,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,134.74 : 92,644.08 = 36,920.05 : x
  2. Step 2: Convert to fraction form
    67,134.74/92,644.08 = 36,920.05/x
  3. Step 3: Cross multiply
    67,134.74x = 92,644.08 × 36,920.05
  4. Step 4: Simplify right side
    67,134.74x = 3,420,423,695.74
  5. Step 5: Solve for x
    x = 3,420,423,695.74/67,134.74
  6. Step 6: Final answer
    x = 50,948.64

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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.