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Finding the Fourth Proportional to 10,608.04, 15,882.90 and 8,003.08

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Solution

The fourth proportional to 10,608.04, 15,882.90 and 8,003.08 is: 11,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.04 : 15,882.90 = 8,003.08 : x
  2. Step 2: Convert to fraction form
    10,608.04/15,882.90 = 8,003.08/x
  3. Step 3: Cross multiply
    10,608.04x = 15,882.90 × 8,003.08
  4. Step 4: Simplify right side
    10,608.04x = 127,112,119.33
  5. Step 5: Solve for x
    x = 127,112,119.33/10,608.04
  6. Step 6: Final answer
    x = 11,982.62

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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.