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Finding the Fourth Proportional to 20,058.80, 30,079.67 and 6,020.82

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Solution

The fourth proportional to 20,058.80, 30,079.67 and 6,020.82 is: 9,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.80 : 30,079.67 = 6,020.82 : x
  2. Step 2: Convert to fraction form
    20,058.80/30,079.67 = 6,020.82/x
  3. Step 3: Cross multiply
    20,058.80x = 30,079.67 × 6,020.82
  4. Step 4: Simplify right side
    20,058.80x = 181,104,278.73
  5. Step 5: Solve for x
    x = 181,104,278.73/20,058.80
  6. Step 6: Final answer
    x = 9,028.67

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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.