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Finding the Fourth Proportional to 67,079.36, 92,571.23 and 36,865.46

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Solution

The fourth proportional to 67,079.36, 92,571.23 and 36,865.46 is: 50,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079.36 : 92,571.23 = 36,865.46 : x
  2. Step 2: Convert to fraction form
    67,079.36/92,571.23 = 36,865.46/x
  3. Step 3: Cross multiply
    67,079.36x = 92,571.23 × 36,865.46
  4. Step 4: Simplify right side
    67,079.36x = 3,412,680,329.53
  5. Step 5: Solve for x
    x = 3,412,680,329.53/67,079.36
  6. Step 6: Final answer
    x = 50,875.26

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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.