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Finding the Fourth Proportional to 62,811.88, 86,685.54 and 37,660.84

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Solution

The fourth proportional to 62,811.88, 86,685.54 and 37,660.84 is: 51,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811.88 : 86,685.54 = 37,660.84 : x
  2. Step 2: Convert to fraction form
    62,811.88/86,685.54 = 37,660.84/x
  3. Step 3: Cross multiply
    62,811.88x = 86,685.54 × 37,660.84
  4. Step 4: Simplify right side
    62,811.88x = 3,264,650,252.25
  5. Step 5: Solve for x
    x = 3,264,650,252.25/62,811.88
  6. Step 6: Final answer
    x = 51,975.04

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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.