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Finding the Fourth Proportional to 37,991.80, 56,969.80 and 22,201.39

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Solution

The fourth proportional to 37,991.80, 56,969.80 and 22,201.39 is: 33,291.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,991.80 : 56,969.80 = 22,201.39 : x
  2. Step 2: Convert to fraction form
    37,991.80/56,969.80 = 22,201.39/x
  3. Step 3: Cross multiply
    37,991.80x = 56,969.80 × 22,201.39
  4. Step 4: Simplify right side
    37,991.80x = 1,264,808,748.02
  5. Step 5: Solve for x
    x = 1,264,808,748.02/37,991.80
  6. Step 6: Final answer
    x = 33,291.62

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1.5x scale

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.