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Finding the Fourth Proportional to 62,803.94, 86,674.25 and 35,954.87

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Solution

The fourth proportional to 62,803.94, 86,674.25 and 35,954.87 is: 49,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,803.94 : 86,674.25 = 35,954.87 : x
  2. Step 2: Convert to fraction form
    62,803.94/86,674.25 = 35,954.87/x
  3. Step 3: Cross multiply
    62,803.94x = 86,674.25 × 35,954.87
  4. Step 4: Simplify right side
    62,803.94x = 3,116,361,047.61
  5. Step 5: Solve for x
    x = 3,116,361,047.61/62,803.94
  6. Step 6: Final answer
    x = 49,620.47

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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.