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Finding the Fourth Proportional to 67,790.40, 101,491.20 and 41,546.40

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Solution

The fourth proportional to 67,790.40, 101,491.20 and 41,546.40 is: 62,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,790.40 : 101,491.20 = 41,546.40 : x
  2. Step 2: Convert to fraction form
    67,790.40/101,491.20 = 41,546.40/x
  3. Step 3: Cross multiply
    67,790.40x = 101,491.20 × 41,546.40
  4. Step 4: Simplify right side
    67,790.40x = 4,216,593,991.68
  5. Step 5: Solve for x
    x = 4,216,593,991.68/67,790.40
  6. Step 6: Final answer
    x = 62,200.46

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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.