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Finding the Fourth Proportional to 3,765.60, 5,648.40 and 2,944.53

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Solution

The fourth proportional to 3,765.60, 5,648.40 and 2,944.53 is: 4,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.60 : 5,648.40 = 2,944.53 : x
  2. Step 2: Convert to fraction form
    3,765.60/5,648.40 = 2,944.53/x
  3. Step 3: Cross multiply
    3,765.60x = 5,648.40 × 2,944.53
  4. Step 4: Simplify right side
    3,765.60x = 16,631,883.25
  5. Step 5: Solve for x
    x = 16,631,883.25/3,765.60
  6. Step 6: Final answer
    x = 4,416.80

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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.