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Finding the Fourth Proportional to 5,876.79, 8,109.92 and 3,224.19

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Solution

The fourth proportional to 5,876.79, 8,109.92 and 3,224.19 is: 4,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.79 : 8,109.92 = 3,224.19 : x
  2. Step 2: Convert to fraction form
    5,876.79/8,109.92 = 3,224.19/x
  3. Step 3: Cross multiply
    5,876.79x = 8,109.92 × 3,224.19
  4. Step 4: Simplify right side
    5,876.79x = 26,147,906.84
  5. Step 5: Solve for x
    x = 26,147,906.84/5,876.79
  6. Step 6: Final answer
    x = 4,449.35

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Half scale
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Double scale
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Similar ratio
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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.