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Finding the Fourth Proportional to 67,120.59, 92,628.58 and 36,908.09

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Solution

The fourth proportional to 67,120.59, 92,628.58 and 36,908.09 is: 50,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,120.59 : 92,628.58 = 36,908.09 : x
  2. Step 2: Convert to fraction form
    67,120.59/92,628.58 = 36,908.09/x
  3. Step 3: Cross multiply
    67,120.59x = 92,628.58 × 36,908.09
  4. Step 4: Simplify right side
    67,120.59x = 3,418,743,967.21
  5. Step 5: Solve for x
    x = 3,418,743,967.21/67,120.59
  6. Step 6: Final answer
    x = 50,934.36

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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.