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Finding the Fourth Proportional to 62,883.93, 94,314.73 and 20,764.61

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Solution

The fourth proportional to 62,883.93, 94,314.73 and 20,764.61 is: 31,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,883.93 : 94,314.73 = 20,764.61 : x
  2. Step 2: Convert to fraction form
    62,883.93/94,314.73 = 20,764.61/x
  3. Step 3: Cross multiply
    62,883.93x = 94,314.73 × 20,764.61
  4. Step 4: Simplify right side
    62,883.93x = 1,958,408,585.71
  5. Step 5: Solve for x
    x = 1,958,408,585.71/62,883.93
  6. Step 6: Final answer
    x = 31,143.23

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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.