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Finding the Fourth Proportional to 18,556.26, 27,835.65 and 7,462.95

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Solution

The fourth proportional to 18,556.26, 27,835.65 and 7,462.95 is: 11,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.26 : 27,835.65 = 7,462.95 : x
  2. Step 2: Convert to fraction form
    18,556.26/27,835.65 = 7,462.95/x
  3. Step 3: Cross multiply
    18,556.26x = 27,835.65 × 7,462.95
  4. Step 4: Simplify right side
    18,556.26x = 207,736,064.17
  5. Step 5: Solve for x
    x = 207,736,064.17/18,556.26
  6. Step 6: Final answer
    x = 11,194.93

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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.