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Finding the Fourth Proportional to 5,125.83, 7,692.81 and 2,353.78

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Solution

The fourth proportional to 5,125.83, 7,692.81 and 2,353.78 is: 3,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.83 : 7,692.81 = 2,353.78 : x
  2. Step 2: Convert to fraction form
    5,125.83/7,692.81 = 2,353.78/x
  3. Step 3: Cross multiply
    5,125.83x = 7,692.81 × 2,353.78
  4. Step 4: Simplify right side
    5,125.83x = 18,107,182.32
  5. Step 5: Solve for x
    x = 18,107,182.32/5,125.83
  6. Step 6: Final answer
    x = 3,532.54

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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.