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Finding the Fourth Proportional to 2,531.17, 3,796.76 and 887.34

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Solution

The fourth proportional to 2,531.17, 3,796.76 and 887.34 is: 1,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.17 : 3,796.76 = 887.34 : x
  2. Step 2: Convert to fraction form
    2,531.17/3,796.76 = 887.34/x
  3. Step 3: Cross multiply
    2,531.17x = 3,796.76 × 887.34
  4. Step 4: Simplify right side
    2,531.17x = 3,369,033.47
  5. Step 5: Solve for x
    x = 3,369,033.47/2,531.17
  6. Step 6: Final answer
    x = 1,331.02

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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.