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Finding the Fourth Proportional to 67,387.70, 92,993.67 and 37,173.76

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Solution

The fourth proportional to 67,387.70, 92,993.67 and 37,173.76 is: 51,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,387.70 : 92,993.67 = 37,173.76 : x
  2. Step 2: Convert to fraction form
    67,387.70/92,993.67 = 37,173.76/x
  3. Step 3: Cross multiply
    67,387.70x = 92,993.67 × 37,173.76
  4. Step 4: Simplify right side
    67,387.70x = 3,456,924,399.16
  5. Step 5: Solve for x
    x = 3,456,924,399.16/67,387.70
  6. Step 6: Final answer
    x = 51,299.04

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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.