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Finding the Fourth Proportional to 2,367.76, 3,551.50 and 636.25

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Solution

The fourth proportional to 2,367.76, 3,551.50 and 636.25 is: 954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.76 : 3,551.50 = 636.25 : x
  2. Step 2: Convert to fraction form
    2,367.76/3,551.50 = 636.25/x
  3. Step 3: Cross multiply
    2,367.76x = 3,551.50 × 636.25
  4. Step 4: Simplify right side
    2,367.76x = 2,259,641.88
  5. Step 5: Solve for x
    x = 2,259,641.88/2,367.76
  6. Step 6: Final answer
    x = 954.34

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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.