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Finding the Fourth Proportional to 10,896, 16,346.56 and 3,600

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Solution

The fourth proportional to 10,896, 16,346.56 and 3,600 is: 5,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896 : 16,346.56 = 3,600 : x
  2. Step 2: Convert to fraction form
    10,896/16,346.56 = 3,600/x
  3. Step 3: Cross multiply
    10,896x = 16,346.56 × 3,600
  4. Step 4: Simplify right side
    10,896x = 58,847,616
  5. Step 5: Solve for x
    x = 58,847,616/10,896
  6. Step 6: Final answer
    x = 5,400.85

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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.