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Finding the Fourth Proportional to 67,161.74, 92,684.78 and 36,948.74

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Solution

The fourth proportional to 67,161.74, 92,684.78 and 36,948.74 is: 50,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161.74 : 92,684.78 = 36,948.74 : x
  2. Step 2: Convert to fraction form
    67,161.74/92,684.78 = 36,948.74/x
  3. Step 3: Cross multiply
    67,161.74x = 92,684.78 × 36,948.74
  4. Step 4: Simplify right side
    67,161.74x = 3,424,585,653.43
  5. Step 5: Solve for x
    x = 3,424,585,653.43/67,161.74
  6. Step 6: Final answer
    x = 50,990.13

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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.