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Finding the Fourth Proportional to 67,343.40, 100,885.80 and 37,671.30

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Solution

The fourth proportional to 67,343.40, 100,885.80 and 37,671.30 is: 56,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,343.40 : 100,885.80 = 37,671.30 : x
  2. Step 2: Convert to fraction form
    67,343.40/100,885.80 = 37,671.30/x
  3. Step 3: Cross multiply
    67,343.40x = 100,885.80 × 37,671.30
  4. Step 4: Simplify right side
    67,343.40x = 3,800,499,237.54
  5. Step 5: Solve for x
    x = 3,800,499,237.54/67,343.40
  6. Step 6: Final answer
    x = 56,434.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.