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Finding the Fourth Proportional to 8,093.22, 12,126.79 and 7,789.74

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Solution

The fourth proportional to 8,093.22, 12,126.79 and 7,789.74 is: 11,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.22 : 12,126.79 = 7,789.74 : x
  2. Step 2: Convert to fraction form
    8,093.22/12,126.79 = 7,789.74/x
  3. Step 3: Cross multiply
    8,093.22x = 12,126.79 × 7,789.74
  4. Step 4: Simplify right side
    8,093.22x = 94,464,541.13
  5. Step 5: Solve for x
    x = 94,464,541.13/8,093.22
  6. Step 6: Final answer
    x = 11,672.06

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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.