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Finding the Fourth Proportional to 62,092.80, 93,133.44 and 20,540.16

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Solution

The fourth proportional to 62,092.80, 93,133.44 and 20,540.16 is: 30,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,092.80 : 93,133.44 = 20,540.16 : x
  2. Step 2: Convert to fraction form
    62,092.80/93,133.44 = 20,540.16/x
  3. Step 3: Cross multiply
    62,092.80x = 93,133.44 × 20,540.16
  4. Step 4: Simplify right side
    62,092.80x = 1,912,975,758.95
  5. Step 5: Solve for x
    x = 1,912,975,758.95/62,092.80
  6. Step 6: Final answer
    x = 30,808.33

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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.