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Finding the Fourth Proportional to 2,093.85, 3,141.45 and 633.15

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Solution

The fourth proportional to 2,093.85, 3,141.45 and 633.15 is: 949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.85 : 3,141.45 = 633.15 : x
  2. Step 2: Convert to fraction form
    2,093.85/3,141.45 = 633.15/x
  3. Step 3: Cross multiply
    2,093.85x = 3,141.45 × 633.15
  4. Step 4: Simplify right side
    2,093.85x = 1,989,009.07
  5. Step 5: Solve for x
    x = 1,989,009.07/2,093.85
  6. Step 6: Final answer
    x = 949.93

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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.