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Finding the Fourth Proportional to 67,151, 92,670.42 and 36,934.76

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Solution

The fourth proportional to 67,151, 92,670.42 and 36,934.76 is: 50,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,151 : 92,670.42 = 36,934.76 : x
  2. Step 2: Convert to fraction form
    67,151/92,670.42 = 36,934.76/x
  3. Step 3: Cross multiply
    67,151x = 92,670.42 × 36,934.76
  4. Step 4: Simplify right side
    67,151x = 3,422,759,721.80
  5. Step 5: Solve for x
    x = 3,422,759,721.80/67,151
  6. Step 6: Final answer
    x = 50,971.09

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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.