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Finding the Fourth Proportional to 11,125.70, 16,692.60 and 4,556.60

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Solution

The fourth proportional to 11,125.70, 16,692.60 and 4,556.60 is: 6,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.70 : 16,692.60 = 4,556.60 : x
  2. Step 2: Convert to fraction form
    11,125.70/16,692.60 = 4,556.60/x
  3. Step 3: Cross multiply
    11,125.70x = 16,692.60 × 4,556.60
  4. Step 4: Simplify right side
    11,125.70x = 76,061,501.16
  5. Step 5: Solve for x
    x = 76,061,501.16/11,125.70
  6. Step 6: Final answer
    x = 6,836.56

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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.