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Finding the Fourth Proportional to 2,258.82, 3,388.53 and 798.36

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Solution

The fourth proportional to 2,258.82, 3,388.53 and 798.36 is: 1,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.82 : 3,388.53 = 798.36 : x
  2. Step 2: Convert to fraction form
    2,258.82/3,388.53 = 798.36/x
  3. Step 3: Cross multiply
    2,258.82x = 3,388.53 × 798.36
  4. Step 4: Simplify right side
    2,258.82x = 2,705,266.81
  5. Step 5: Solve for x
    x = 2,705,266.81/2,258.82
  6. Step 6: Final answer
    x = 1,197.65

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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.