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Finding the Fourth Proportional to 1,793.51, 2,474.91 and 1,007.67

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Solution

The fourth proportional to 1,793.51, 2,474.91 and 1,007.67 is: 1,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.51 : 2,474.91 = 1,007.67 : x
  2. Step 2: Convert to fraction form
    1,793.51/2,474.91 = 1,007.67/x
  3. Step 3: Cross multiply
    1,793.51x = 2,474.91 × 1,007.67
  4. Step 4: Simplify right side
    1,793.51x = 2,493,892.56
  5. Step 5: Solve for x
    x = 2,493,892.56/1,793.51
  6. Step 6: Final answer
    x = 1,390.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.