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Finding the Fourth Proportional to 8,357.06, 12,536.42 and 3,093.47

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Solution

The fourth proportional to 8,357.06, 12,536.42 and 3,093.47 is: 4,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.06 : 12,536.42 = 3,093.47 : x
  2. Step 2: Convert to fraction form
    8,357.06/12,536.42 = 3,093.47/x
  3. Step 3: Cross multiply
    8,357.06x = 12,536.42 × 3,093.47
  4. Step 4: Simplify right side
    8,357.06x = 38,781,055.05
  5. Step 5: Solve for x
    x = 38,781,055.05/8,357.06
  6. Step 6: Final answer
    x = 4,640.52

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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.