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Finding the Fourth Proportional to 8,842.42, 13,255.17 and 3,291.94

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Solution

The fourth proportional to 8,842.42, 13,255.17 and 3,291.94 is: 4,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.42 : 13,255.17 = 3,291.94 : x
  2. Step 2: Convert to fraction form
    8,842.42/13,255.17 = 3,291.94/x
  3. Step 3: Cross multiply
    8,842.42x = 13,255.17 × 3,291.94
  4. Step 4: Simplify right side
    8,842.42x = 43,635,224.33
  5. Step 5: Solve for x
    x = 43,635,224.33/8,842.42
  6. Step 6: Final answer
    x = 4,934.76

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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.