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Finding the Fourth Proportional to 2,528.14, 3,792.07 and 796.63

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Solution

The fourth proportional to 2,528.14, 3,792.07 and 796.63 is: 1,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.14 : 3,792.07 = 796.63 : x
  2. Step 2: Convert to fraction form
    2,528.14/3,792.07 = 796.63/x
  3. Step 3: Cross multiply
    2,528.14x = 3,792.07 × 796.63
  4. Step 4: Simplify right side
    2,528.14x = 3,020,855.77
  5. Step 5: Solve for x
    x = 3,020,855.77/2,528.14
  6. Step 6: Final answer
    x = 1,194.89

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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.