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Finding the Fourth Proportional to 27,612.72, 41,419.08 and 6,836.22

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Solution

The fourth proportional to 27,612.72, 41,419.08 and 6,836.22 is: 10,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.72 : 41,419.08 = 6,836.22 : x
  2. Step 2: Convert to fraction form
    27,612.72/41,419.08 = 6,836.22/x
  3. Step 3: Cross multiply
    27,612.72x = 41,419.08 × 6,836.22
  4. Step 4: Simplify right side
    27,612.72x = 283,149,943.08
  5. Step 5: Solve for x
    x = 283,149,943.08/27,612.72
  6. Step 6: Final answer
    x = 10,254.33

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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.