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Finding the Fourth Proportional to 8,328.22, 11,493.22 and 4,791.43

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Solution

The fourth proportional to 8,328.22, 11,493.22 and 4,791.43 is: 6,612.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.22 : 11,493.22 = 4,791.43 : x
  2. Step 2: Convert to fraction form
    8,328.22/11,493.22 = 4,791.43/x
  3. Step 3: Cross multiply
    8,328.22x = 11,493.22 × 4,791.43
  4. Step 4: Simplify right side
    8,328.22x = 55,068,924.68
  5. Step 5: Solve for x
    x = 55,068,924.68/8,328.22
  6. Step 6: Final answer
    x = 6,612.33

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Half scale
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Double scale
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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.