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Finding the Fourth Proportional to 8,060.55, 12,077.87 and 6,764.55

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Solution

The fourth proportional to 8,060.55, 12,077.87 and 6,764.55 is: 10,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.55 : 12,077.87 = 6,764.55 : x
  2. Step 2: Convert to fraction form
    8,060.55/12,077.87 = 6,764.55/x
  3. Step 3: Cross multiply
    8,060.55x = 12,077.87 × 6,764.55
  4. Step 4: Simplify right side
    8,060.55x = 81,701,321.69
  5. Step 5: Solve for x
    x = 81,701,321.69/8,060.55
  6. Step 6: Final answer
    x = 10,135.95

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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.