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Finding the Fourth Proportional to 1,793.56, 2,474.84 and 1,007.45

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Solution

The fourth proportional to 1,793.56, 2,474.84 and 1,007.45 is: 1,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.56 : 2,474.84 = 1,007.45 : x
  2. Step 2: Convert to fraction form
    1,793.56/2,474.84 = 1,007.45/x
  3. Step 3: Cross multiply
    1,793.56x = 2,474.84 × 1,007.45
  4. Step 4: Simplify right side
    1,793.56x = 2,493,278.71
  5. Step 5: Solve for x
    x = 2,493,278.71/1,793.56
  6. Step 6: Final answer
    x = 1,390.13

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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.