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Finding the Fourth Proportional to 62,781.93, 86,645.16 and 35,928.27

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Solution

The fourth proportional to 62,781.93, 86,645.16 and 35,928.27 is: 49,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,781.93 : 86,645.16 = 35,928.27 : x
  2. Step 2: Convert to fraction form
    62,781.93/86,645.16 = 35,928.27/x
  3. Step 3: Cross multiply
    62,781.93x = 86,645.16 × 35,928.27
  4. Step 4: Simplify right side
    62,781.93x = 3,113,010,702.67
  5. Step 5: Solve for x
    x = 3,113,010,702.67/62,781.93
  6. Step 6: Final answer
    x = 49,584.50

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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.