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Finding the Fourth Proportional to 2,093.73, 3,140.61 and 632.88

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Solution

The fourth proportional to 2,093.73, 3,140.61 and 632.88 is: 949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.73 : 3,140.61 = 632.88 : x
  2. Step 2: Convert to fraction form
    2,093.73/3,140.61 = 632.88/x
  3. Step 3: Cross multiply
    2,093.73x = 3,140.61 × 632.88
  4. Step 4: Simplify right side
    2,093.73x = 1,987,629.26
  5. Step 5: Solve for x
    x = 1,987,629.26/2,093.73
  6. Step 6: Final answer
    x = 949.32

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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.