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Finding the Fourth Proportional to 13,692.36, 20,532 and 5,898

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Solution

The fourth proportional to 13,692.36, 20,532 and 5,898 is: 8,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.36 : 20,532 = 5,898 : x
  2. Step 2: Convert to fraction form
    13,692.36/20,532 = 5,898/x
  3. Step 3: Cross multiply
    13,692.36x = 20,532 × 5,898
  4. Step 4: Simplify right side
    13,692.36x = 121,097,736
  5. Step 5: Solve for x
    x = 121,097,736/13,692.36
  6. Step 6: Final answer
    x = 8,844.18

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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.