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Finding the Fourth Proportional to 2,094.60, 3,142.08 and 633.72

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Solution

The fourth proportional to 2,094.60, 3,142.08 and 633.72 is: 950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.60 : 3,142.08 = 633.72 : x
  2. Step 2: Convert to fraction form
    2,094.60/3,142.08 = 633.72/x
  3. Step 3: Cross multiply
    2,094.60x = 3,142.08 × 633.72
  4. Step 4: Simplify right side
    2,094.60x = 1,991,198.94
  5. Step 5: Solve for x
    x = 1,991,198.94/2,094.60
  6. Step 6: Final answer
    x = 950.63

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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.