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Finding the Fourth Proportional to 27,069.76, 40,608.44 and 8,351.30

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Solution

The fourth proportional to 27,069.76, 40,608.44 and 8,351.30 is: 12,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,069.76 : 40,608.44 = 8,351.30 : x
  2. Step 2: Convert to fraction form
    27,069.76/40,608.44 = 8,351.30/x
  3. Step 3: Cross multiply
    27,069.76x = 40,608.44 × 8,351.30
  4. Step 4: Simplify right side
    27,069.76x = 339,133,356.05
  5. Step 5: Solve for x
    x = 339,133,356.05/27,069.76
  6. Step 6: Final answer
    x = 12,528.13

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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.