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Finding the Fourth Proportional to 5,881.93, 8,117.12 and 3,229.28

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Solution

The fourth proportional to 5,881.93, 8,117.12 and 3,229.28 is: 4,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.93 : 8,117.12 = 3,229.28 : x
  2. Step 2: Convert to fraction form
    5,881.93/8,117.12 = 3,229.28/x
  3. Step 3: Cross multiply
    5,881.93x = 8,117.12 × 3,229.28
  4. Step 4: Simplify right side
    5,881.93x = 26,212,420.76
  5. Step 5: Solve for x
    x = 26,212,420.76/5,881.93
  6. Step 6: Final answer
    x = 4,456.43

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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.