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Finding the Fourth Proportional to 20,832.68, 31,252.09 and 6,039.68

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Solution

The fourth proportional to 20,832.68, 31,252.09 and 6,039.68 is: 9,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.68 : 31,252.09 = 6,039.68 : x
  2. Step 2: Convert to fraction form
    20,832.68/31,252.09 = 6,039.68/x
  3. Step 3: Cross multiply
    20,832.68x = 31,252.09 × 6,039.68
  4. Step 4: Simplify right side
    20,832.68x = 188,752,462.90
  5. Step 5: Solve for x
    x = 188,752,462.90/20,832.68
  6. Step 6: Final answer
    x = 9,060.40

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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.