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Finding the Fourth Proportional to 62,883.12, 86,774.83 and 36,019.47

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Solution

The fourth proportional to 62,883.12, 86,774.83 and 36,019.47 is: 49,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,883.12 : 86,774.83 = 36,019.47 : x
  2. Step 2: Convert to fraction form
    62,883.12/86,774.83 = 36,019.47/x
  3. Step 3: Cross multiply
    62,883.12x = 86,774.83 × 36,019.47
  4. Step 4: Simplify right side
    62,883.12x = 3,125,583,385.94
  5. Step 5: Solve for x
    x = 3,125,583,385.94/62,883.12
  6. Step 6: Final answer
    x = 49,704.65

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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.