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Finding the Fourth Proportional to 5,892.99, 8,844.57 and 3,121.63

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Solution

The fourth proportional to 5,892.99, 8,844.57 and 3,121.63 is: 4,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.99 : 8,844.57 = 3,121.63 : x
  2. Step 2: Convert to fraction form
    5,892.99/8,844.57 = 3,121.63/x
  3. Step 3: Cross multiply
    5,892.99x = 8,844.57 × 3,121.63
  4. Step 4: Simplify right side
    5,892.99x = 27,609,475.05
  5. Step 5: Solve for x
    x = 27,609,475.05/5,892.99
  6. Step 6: Final answer
    x = 4,685.14

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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.