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Finding the Fourth Proportional to 67,079.61, 92,571.57 and 36,865.70

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Solution

The fourth proportional to 67,079.61, 92,571.57 and 36,865.70 is: 50,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079.61 : 92,571.57 = 36,865.70 : x
  2. Step 2: Convert to fraction form
    67,079.61/92,571.57 = 36,865.70/x
  3. Step 3: Cross multiply
    67,079.61x = 92,571.57 × 36,865.70
  4. Step 4: Simplify right side
    67,079.61x = 3,412,715,728.15
  5. Step 5: Solve for x
    x = 3,412,715,728.15/67,079.61
  6. Step 6: Final answer
    x = 50,875.60

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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.