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Finding the Fourth Proportional to 62,682.56, 93,957.77 and 20,551.64

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Solution

The fourth proportional to 62,682.56, 93,957.77 and 20,551.64 is: 30,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,682.56 : 93,957.77 = 20,551.64 : x
  2. Step 2: Convert to fraction form
    62,682.56/93,957.77 = 20,551.64/x
  3. Step 3: Cross multiply
    62,682.56x = 93,957.77 × 20,551.64
  4. Step 4: Simplify right side
    62,682.56x = 1,930,986,264.24
  5. Step 5: Solve for x
    x = 1,930,986,264.24/62,682.56
  6. Step 6: Final answer
    x = 30,805.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.