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Finding the Fourth Proportional to 1,794.81, 2,693.45 and 699.18

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Solution

The fourth proportional to 1,794.81, 2,693.45 and 699.18 is: 1,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.81 : 2,693.45 = 699.18 : x
  2. Step 2: Convert to fraction form
    1,794.81/2,693.45 = 699.18/x
  3. Step 3: Cross multiply
    1,794.81x = 2,693.45 × 699.18
  4. Step 4: Simplify right side
    1,794.81x = 1,883,206.37
  5. Step 5: Solve for x
    x = 1,883,206.37/1,794.81
  6. Step 6: Final answer
    x = 1,049.25

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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.