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Finding the Fourth Proportional to 65,493.96, 90,375.06 and 37,194.12

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Solution

The fourth proportional to 65,493.96, 90,375.06 and 37,194.12 is: 51,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,493.96 : 90,375.06 = 37,194.12 : x
  2. Step 2: Convert to fraction form
    65,493.96/90,375.06 = 37,194.12/x
  3. Step 3: Cross multiply
    65,493.96x = 90,375.06 × 37,194.12
  4. Step 4: Simplify right side
    65,493.96x = 3,361,420,826.65
  5. Step 5: Solve for x
    x = 3,361,420,826.65/65,493.96
  6. Step 6: Final answer
    x = 51,324.13

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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.