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Finding the Fourth Proportional to 3,763.84, 5,644.08 and 1,166.56

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Solution

The fourth proportional to 3,763.84, 5,644.08 and 1,166.56 is: 1,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.84 : 5,644.08 = 1,166.56 : x
  2. Step 2: Convert to fraction form
    3,763.84/5,644.08 = 1,166.56/x
  3. Step 3: Cross multiply
    3,763.84x = 5,644.08 × 1,166.56
  4. Step 4: Simplify right side
    3,763.84x = 6,584,157.96
  5. Step 5: Solve for x
    x = 6,584,157.96/3,763.84
  6. Step 6: Final answer
    x = 1,749.32

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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.