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Finding the Fourth Proportional to 3,773.48, 5,660 and 1,692.94

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Solution

The fourth proportional to 3,773.48, 5,660 and 1,692.94 is: 2,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.48 : 5,660 = 1,692.94 : x
  2. Step 2: Convert to fraction form
    3,773.48/5,660 = 1,692.94/x
  3. Step 3: Cross multiply
    3,773.48x = 5,660 × 1,692.94
  4. Step 4: Simplify right side
    3,773.48x = 9,582,040.40
  5. Step 5: Solve for x
    x = 9,582,040.40/3,773.48
  6. Step 6: Final answer
    x = 2,539.31

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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.