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Finding the Fourth Proportional to 44,251.80, 66,420.90 and 22,090.20

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Solution

The fourth proportional to 44,251.80, 66,420.90 and 22,090.20 is: 33,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,251.80 : 66,420.90 = 22,090.20 : x
  2. Step 2: Convert to fraction form
    44,251.80/66,420.90 = 22,090.20/x
  3. Step 3: Cross multiply
    44,251.80x = 66,420.90 × 22,090.20
  4. Step 4: Simplify right side
    44,251.80x = 1,467,250,965.18
  5. Step 5: Solve for x
    x = 1,467,250,965.18/44,251.80
  6. Step 6: Final answer
    x = 33,156.87

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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.