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Finding the Fourth Proportional to 37,990.80, 56,968.31 and 22,200.39

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Solution

The fourth proportional to 37,990.80, 56,968.31 and 22,200.39 is: 33,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,990.80 : 56,968.31 = 22,200.39 : x
  2. Step 2: Convert to fraction form
    37,990.80/56,968.31 = 22,200.39/x
  3. Step 3: Cross multiply
    37,990.80x = 56,968.31 × 22,200.39
  4. Step 4: Simplify right side
    37,990.80x = 1,264,718,588.64
  5. Step 5: Solve for x
    x = 1,264,718,588.64/37,990.80
  6. Step 6: Final answer
    x = 33,290.13

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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.