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Finding the Fourth Proportional to 8,039.21, 11,093.22 and 4,502.34

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Solution

The fourth proportional to 8,039.21, 11,093.22 and 4,502.34 is: 6,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.21 : 11,093.22 = 4,502.34 : x
  2. Step 2: Convert to fraction form
    8,039.21/11,093.22 = 4,502.34/x
  3. Step 3: Cross multiply
    8,039.21x = 11,093.22 × 4,502.34
  4. Step 4: Simplify right side
    8,039.21x = 49,945,448.13
  5. Step 5: Solve for x
    x = 49,945,448.13/8,039.21
  6. Step 6: Final answer
    x = 6,212.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.