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Finding the Fourth Proportional to 11,602.08, 17,404.56 and 3,811.68

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Solution

The fourth proportional to 11,602.08, 17,404.56 and 3,811.68 is: 5,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.08 : 17,404.56 = 3,811.68 : x
  2. Step 2: Convert to fraction form
    11,602.08/17,404.56 = 3,811.68/x
  3. Step 3: Cross multiply
    11,602.08x = 17,404.56 × 3,811.68
  4. Step 4: Simplify right side
    11,602.08x = 66,340,613.26
  5. Step 5: Solve for x
    x = 66,340,613.26/11,602.08
  6. Step 6: Final answer
    x = 5,717.99

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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.