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Finding the Fourth Proportional to 5,981.99, 8,972.99 and 2,861.26

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Solution

The fourth proportional to 5,981.99, 8,972.99 and 2,861.26 is: 4,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.99 : 8,972.99 = 2,861.26 : x
  2. Step 2: Convert to fraction form
    5,981.99/8,972.99 = 2,861.26/x
  3. Step 3: Cross multiply
    5,981.99x = 8,972.99 × 2,861.26
  4. Step 4: Simplify right side
    5,981.99x = 25,674,057.37
  5. Step 5: Solve for x
    x = 25,674,057.37/5,981.99
  6. Step 6: Final answer
    x = 4,291.89

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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.