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Finding the Fourth Proportional to 45,310.60, 67,901.10 and 33,371.20

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Solution

The fourth proportional to 45,310.60, 67,901.10 and 33,371.20 is: 50,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,310.60 : 67,901.10 = 33,371.20 : x
  2. Step 2: Convert to fraction form
    45,310.60/67,901.10 = 33,371.20/x
  3. Step 3: Cross multiply
    45,310.60x = 67,901.10 × 33,371.20
  4. Step 4: Simplify right side
    45,310.60x = 2,265,941,188.32
  5. Step 5: Solve for x
    x = 2,265,941,188.32/45,310.60
  6. Step 6: Final answer
    x = 50,009.07

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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.