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Finding the Fourth Proportional to 62,474.69, 86,216.60 and 35,619.75

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Solution

The fourth proportional to 62,474.69, 86,216.60 and 35,619.75 is: 49,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,474.69 : 86,216.60 = 35,619.75 : x
  2. Step 2: Convert to fraction form
    62,474.69/86,216.60 = 35,619.75/x
  3. Step 3: Cross multiply
    62,474.69x = 86,216.60 × 35,619.75
  4. Step 4: Simplify right side
    62,474.69x = 3,071,013,826.90
  5. Step 5: Solve for x
    x = 3,071,013,826.90/62,474.69
  6. Step 6: Final answer
    x = 49,156.13

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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.