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Finding the Fourth Proportional to 5,812.99, 8,717.96 and 3,963.76

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Solution

The fourth proportional to 5,812.99, 8,717.96 and 3,963.76 is: 5,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.99 : 8,717.96 = 3,963.76 : x
  2. Step 2: Convert to fraction form
    5,812.99/8,717.96 = 3,963.76/x
  3. Step 3: Cross multiply
    5,812.99x = 8,717.96 × 3,963.76
  4. Step 4: Simplify right side
    5,812.99x = 34,555,889.24
  5. Step 5: Solve for x
    x = 34,555,889.24/5,812.99
  6. Step 6: Final answer
    x = 5,944.60

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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.