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Finding the Fourth Proportional to 62,677.60, 86,502.75 and 35,813.95

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Solution

The fourth proportional to 62,677.60, 86,502.75 and 35,813.95 is: 49,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,677.60 : 86,502.75 = 35,813.95 : x
  2. Step 2: Convert to fraction form
    62,677.60/86,502.75 = 35,813.95/x
  3. Step 3: Cross multiply
    62,677.60x = 86,502.75 × 35,813.95
  4. Step 4: Simplify right side
    62,677.60x = 3,098,005,163.36
  5. Step 5: Solve for x
    x = 3,098,005,163.36/62,677.60
  6. Step 6: Final answer
    x = 49,427.63

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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.