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Finding the Fourth Proportional to 7,752.74, 11,629.12 and 3,367.81

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Solution

The fourth proportional to 7,752.74, 11,629.12 and 3,367.81 is: 5,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.74 : 11,629.12 = 3,367.81 : x
  2. Step 2: Convert to fraction form
    7,752.74/11,629.12 = 3,367.81/x
  3. Step 3: Cross multiply
    7,752.74x = 11,629.12 × 3,367.81
  4. Step 4: Simplify right side
    7,752.74x = 39,164,591.64
  5. Step 5: Solve for x
    x = 39,164,591.64/7,752.74
  6. Step 6: Final answer
    x = 5,051.71

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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.