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Finding the Fourth Proportional to 5,992.40, 8,989.56 and 3,396.56

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Solution

The fourth proportional to 5,992.40, 8,989.56 and 3,396.56 is: 5,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,992.40 : 8,989.56 = 3,396.56 : x
  2. Step 2: Convert to fraction form
    5,992.40/8,989.56 = 3,396.56/x
  3. Step 3: Cross multiply
    5,992.40x = 8,989.56 × 3,396.56
  4. Step 4: Simplify right side
    5,992.40x = 30,533,579.91
  5. Step 5: Solve for x
    x = 30,533,579.91/5,992.40
  6. Step 6: Final answer
    x = 5,095.38

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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.