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Finding the Fourth Proportional to 5,971.96, 8,241.42 and 3,319.60

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Solution

The fourth proportional to 5,971.96, 8,241.42 and 3,319.60 is: 4,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.96 : 8,241.42 = 3,319.60 : x
  2. Step 2: Convert to fraction form
    5,971.96/8,241.42 = 3,319.60/x
  3. Step 3: Cross multiply
    5,971.96x = 8,241.42 × 3,319.60
  4. Step 4: Simplify right side
    5,971.96x = 27,358,217.83
  5. Step 5: Solve for x
    x = 27,358,217.83/5,971.96
  6. Step 6: Final answer
    x = 4,581.11

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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.