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Finding the Fourth Proportional to 2,094.15, 3,141.24 and 633.30

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Solution

The fourth proportional to 2,094.15, 3,141.24 and 633.30 is: 949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.15 : 3,141.24 = 633.30 : x
  2. Step 2: Convert to fraction form
    2,094.15/3,141.24 = 633.30/x
  3. Step 3: Cross multiply
    2,094.15x = 3,141.24 × 633.30
  4. Step 4: Simplify right side
    2,094.15x = 1,989,347.29
  5. Step 5: Solve for x
    x = 1,989,347.29/2,094.15
  6. Step 6: Final answer
    x = 949.95

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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.