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Finding the Fourth Proportional to 8,104.80, 12,093.58 and 7,276.47

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Solution

The fourth proportional to 8,104.80, 12,093.58 and 7,276.47 is: 10,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.80 : 12,093.58 = 7,276.47 : x
  2. Step 2: Convert to fraction form
    8,104.80/12,093.58 = 7,276.47/x
  3. Step 3: Cross multiply
    8,104.80x = 12,093.58 × 7,276.47
  4. Step 4: Simplify right side
    8,104.80x = 87,998,572.06
  5. Step 5: Solve for x
    x = 87,998,572.06/8,104.80
  6. Step 6: Final answer
    x = 10,857.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.