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Finding the Fourth Proportional to 8,064.99, 12,104.78 and 3,680.06

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Solution

The fourth proportional to 8,064.99, 12,104.78 and 3,680.06 is: 5,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.99 : 12,104.78 = 3,680.06 : x
  2. Step 2: Convert to fraction form
    8,064.99/12,104.78 = 3,680.06/x
  3. Step 3: Cross multiply
    8,064.99x = 12,104.78 × 3,680.06
  4. Step 4: Simplify right side
    8,064.99x = 44,546,237.76
  5. Step 5: Solve for x
    x = 44,546,237.76/8,064.99
  6. Step 6: Final answer
    x = 5,523.41

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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.