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Finding the Fourth Proportional to 5,865.35, 8,094.20 and 3,212.76

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Solution

The fourth proportional to 5,865.35, 8,094.20 and 3,212.76 is: 4,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.35 : 8,094.20 = 3,212.76 : x
  2. Step 2: Convert to fraction form
    5,865.35/8,094.20 = 3,212.76/x
  3. Step 3: Cross multiply
    5,865.35x = 8,094.20 × 3,212.76
  4. Step 4: Simplify right side
    5,865.35x = 26,004,705.93
  5. Step 5: Solve for x
    x = 26,004,705.93/5,865.35
  6. Step 6: Final answer
    x = 4,433.62

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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.