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Finding the Fourth Proportional to 20,041.31, 30,057.41 and 7,562.66

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Solution

The fourth proportional to 20,041.31, 30,057.41 and 7,562.66 is: 11,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.31 : 30,057.41 = 7,562.66 : x
  2. Step 2: Convert to fraction form
    20,041.31/30,057.41 = 7,562.66/x
  3. Step 3: Cross multiply
    20,041.31x = 30,057.41 × 7,562.66
  4. Step 4: Simplify right side
    20,041.31x = 227,313,840.93
  5. Step 5: Solve for x
    x = 227,313,840.93/20,041.31
  6. Step 6: Final answer
    x = 11,342.26

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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.