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Finding the Fourth Proportional to 27,286.66, 40,929.99 and 8,568.34

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Solution

The fourth proportional to 27,286.66, 40,929.99 and 8,568.34 is: 12,852.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.66 : 40,929.99 = 8,568.34 : x
  2. Step 2: Convert to fraction form
    27,286.66/40,929.99 = 8,568.34/x
  3. Step 3: Cross multiply
    27,286.66x = 40,929.99 × 8,568.34
  4. Step 4: Simplify right side
    27,286.66x = 350,702,070.52
  5. Step 5: Solve for x
    x = 350,702,070.52/27,286.66
  6. Step 6: Final answer
    x = 12,852.51

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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.