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Finding the Fourth Proportional to 1,793.63, 2,475.21 and 1,007.66

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Solution

The fourth proportional to 1,793.63, 2,475.21 and 1,007.66 is: 1,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.63 : 2,475.21 = 1,007.66 : x
  2. Step 2: Convert to fraction form
    1,793.63/2,475.21 = 1,007.66/x
  3. Step 3: Cross multiply
    1,793.63x = 2,475.21 × 1,007.66
  4. Step 4: Simplify right side
    1,793.63x = 2,494,157.73
  5. Step 5: Solve for x
    x = 2,494,157.73/1,793.63
  6. Step 6: Final answer
    x = 1,390.57

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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.