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Finding the Fourth Proportional to 2,094.90, 3,141.90 and 633.72

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Solution

The fourth proportional to 2,094.90, 3,141.90 and 633.72 is: 950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.90 : 3,141.90 = 633.72 : x
  2. Step 2: Convert to fraction form
    2,094.90/3,141.90 = 633.72/x
  3. Step 3: Cross multiply
    2,094.90x = 3,141.90 × 633.72
  4. Step 4: Simplify right side
    2,094.90x = 1,991,084.87
  5. Step 5: Solve for x
    x = 1,991,084.87/2,094.90
  6. Step 6: Final answer
    x = 950.44

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1.5x scale

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.