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Finding the Fourth Proportional to 4,000, 5,991.36 and 3,026.56

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Solution

The fourth proportional to 4,000, 5,991.36 and 3,026.56 is: 4,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000 : 5,991.36 = 3,026.56 : x
  2. Step 2: Convert to fraction form
    4,000/5,991.36 = 3,026.56/x
  3. Step 3: Cross multiply
    4,000x = 5,991.36 × 3,026.56
  4. Step 4: Simplify right side
    4,000x = 18,133,210.52
  5. Step 5: Solve for x
    x = 18,133,210.52/4,000
  6. Step 6: Final answer
    x = 4,533.30

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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.