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Finding the Fourth Proportional to 62,854.70, 94,282.01 and 18,481.82

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Solution

The fourth proportional to 62,854.70, 94,282.01 and 18,481.82 is: 27,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,854.70 : 94,282.01 = 18,481.82 : x
  2. Step 2: Convert to fraction form
    62,854.70/94,282.01 = 18,481.82/x
  3. Step 3: Cross multiply
    62,854.70x = 94,282.01 × 18,481.82
  4. Step 4: Simplify right side
    62,854.70x = 1,742,503,138.06
  5. Step 5: Solve for x
    x = 1,742,503,138.06/62,854.70
  6. Step 6: Final answer
    x = 27,722.72

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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.