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Finding the Fourth Proportional to 3,829.60, 5,744.94 and 1,749.60

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Solution

The fourth proportional to 3,829.60, 5,744.94 and 1,749.60 is: 2,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.60 : 5,744.94 = 1,749.60 : x
  2. Step 2: Convert to fraction form
    3,829.60/5,744.94 = 1,749.60/x
  3. Step 3: Cross multiply
    3,829.60x = 5,744.94 × 1,749.60
  4. Step 4: Simplify right side
    3,829.60x = 10,051,347.02
  5. Step 5: Solve for x
    x = 10,051,347.02/3,829.60
  6. Step 6: Final answer
    x = 2,624.65

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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.