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Finding the Fourth Proportional to 91,793.99, 126,674.52 and 51,508.55

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Solution

The fourth proportional to 91,793.99, 126,674.52 and 51,508.55 is: 71,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,793.99 : 126,674.52 = 51,508.55 : x
  2. Step 2: Convert to fraction form
    91,793.99/126,674.52 = 51,508.55/x
  3. Step 3: Cross multiply
    91,793.99x = 126,674.52 × 51,508.55
  4. Step 4: Simplify right side
    91,793.99x = 6,524,820,847.15
  5. Step 5: Solve for x
    x = 6,524,820,847.15/91,793.99
  6. Step 6: Final answer
    x = 71,081.13

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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.