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Finding the Fourth Proportional to 27,793.80, 41,690.70 and 8,074.35

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Solution

The fourth proportional to 27,793.80, 41,690.70 and 8,074.35 is: 12,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.80 : 41,690.70 = 8,074.35 : x
  2. Step 2: Convert to fraction form
    27,793.80/41,690.70 = 8,074.35/x
  3. Step 3: Cross multiply
    27,793.80x = 41,690.70 × 8,074.35
  4. Step 4: Simplify right side
    27,793.80x = 336,625,303.55
  5. Step 5: Solve for x
    x = 336,625,303.55/27,793.80
  6. Step 6: Final answer
    x = 12,111.53

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Similar ratio
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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.