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Finding the Fourth Proportional to 5,879.90, 8,817.57 and 2,956.16

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Solution

The fourth proportional to 5,879.90, 8,817.57 and 2,956.16 is: 4,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.90 : 8,817.57 = 2,956.16 : x
  2. Step 2: Convert to fraction form
    5,879.90/8,817.57 = 2,956.16/x
  3. Step 3: Cross multiply
    5,879.90x = 8,817.57 × 2,956.16
  4. Step 4: Simplify right side
    5,879.90x = 26,066,147.73
  5. Step 5: Solve for x
    x = 26,066,147.73/5,879.90
  6. Step 6: Final answer
    x = 4,433.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.