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Finding the Fourth Proportional to 29,806.68, 41,128.65 and 17,229

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Solution

The fourth proportional to 29,806.68, 41,128.65 and 17,229 is: 23,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,806.68 : 41,128.65 = 17,229 : x
  2. Step 2: Convert to fraction form
    29,806.68/41,128.65 = 17,229/x
  3. Step 3: Cross multiply
    29,806.68x = 41,128.65 × 17,229
  4. Step 4: Simplify right side
    29,806.68x = 708,605,510.85
  5. Step 5: Solve for x
    x = 708,605,510.85/29,806.68
  6. Step 6: Final answer
    x = 23,773.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.