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Finding the Fourth Proportional to 22,301.01, 30,775.14 and 12,869.37

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Solution

The fourth proportional to 22,301.01, 30,775.14 and 12,869.37 is: 17,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.01 : 30,775.14 = 12,869.37 : x
  2. Step 2: Convert to fraction form
    22,301.01/30,775.14 = 12,869.37/x
  3. Step 3: Cross multiply
    22,301.01x = 30,775.14 × 12,869.37
  4. Step 4: Simplify right side
    22,301.01x = 396,056,663.46
  5. Step 5: Solve for x
    x = 396,056,663.46/22,301.01
  6. Step 6: Final answer
    x = 17,759.58

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