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Finding the Fourth Proportional to 1,793.58, 2,474.64 and 1,007.61

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Solution

The fourth proportional to 1,793.58, 2,474.64 and 1,007.61 is: 1,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.58 : 2,474.64 = 1,007.61 : x
  2. Step 2: Convert to fraction form
    1,793.58/2,474.64 = 1,007.61/x
  3. Step 3: Cross multiply
    1,793.58x = 2,474.64 × 1,007.61
  4. Step 4: Simplify right side
    1,793.58x = 2,493,472.01
  5. Step 5: Solve for x
    x = 2,493,472.01/1,793.58
  6. Step 6: Final answer
    x = 1,390.22

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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.