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Finding the Fourth Proportional to 18,865.39, 26,035.32 and 10,481.89

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Solution

The fourth proportional to 18,865.39, 26,035.32 and 10,481.89 is: 14,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.39 : 26,035.32 = 10,481.89 : x
  2. Step 2: Convert to fraction form
    18,865.39/26,035.32 = 10,481.89/x
  3. Step 3: Cross multiply
    18,865.39x = 26,035.32 × 10,481.89
  4. Step 4: Simplify right side
    18,865.39x = 272,899,360.35
  5. Step 5: Solve for x
    x = 272,899,360.35/18,865.39
  6. Step 6: Final answer
    x = 14,465.61

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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.