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Finding the Fourth Proportional to 20,062.91, 30,090.71 and 6,019.63

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Solution

The fourth proportional to 20,062.91, 30,090.71 and 6,019.63 is: 9,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.91 : 30,090.71 = 6,019.63 : x
  2. Step 2: Convert to fraction form
    20,062.91/30,090.71 = 6,019.63/x
  3. Step 3: Cross multiply
    20,062.91x = 30,090.71 × 6,019.63
  4. Step 4: Simplify right side
    20,062.91x = 181,134,940.64
  5. Step 5: Solve for x
    x = 181,134,940.64/20,062.91
  6. Step 6: Final answer
    x = 9,028.35

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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.