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Finding the Fourth Proportional to 2,528.55, 3,792.83 and 797.31

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Solution

The fourth proportional to 2,528.55, 3,792.83 and 797.31 is: 1,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.55 : 3,792.83 = 797.31 : x
  2. Step 2: Convert to fraction form
    2,528.55/3,792.83 = 797.31/x
  3. Step 3: Cross multiply
    2,528.55x = 3,792.83 × 797.31
  4. Step 4: Simplify right side
    2,528.55x = 3,024,070.77
  5. Step 5: Solve for x
    x = 3,024,070.77/2,528.55
  6. Step 6: Final answer
    x = 1,195.97

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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.