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Finding the Fourth Proportional to 20,057.88, 30,091.14 and 6,017.88

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Solution

The fourth proportional to 20,057.88, 30,091.14 and 6,017.88 is: 9,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.88 : 30,091.14 = 6,017.88 : x
  2. Step 2: Convert to fraction form
    20,057.88/30,091.14 = 6,017.88/x
  3. Step 3: Cross multiply
    20,057.88x = 30,091.14 × 6,017.88
  4. Step 4: Simplify right side
    20,057.88x = 181,084,869.58
  5. Step 5: Solve for x
    x = 181,084,869.58/20,057.88
  6. Step 6: Final answer
    x = 9,028.12

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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.