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Finding the Fourth Proportional to 2,258.86, 3,388.60 and 798.03

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Solution

The fourth proportional to 2,258.86, 3,388.60 and 798.03 is: 1,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.86 : 3,388.60 = 798.03 : x
  2. Step 2: Convert to fraction form
    2,258.86/3,388.60 = 798.03/x
  3. Step 3: Cross multiply
    2,258.86x = 3,388.60 × 798.03
  4. Step 4: Simplify right side
    2,258.86x = 2,704,204.46
  5. Step 5: Solve for x
    x = 2,704,204.46/2,258.86
  6. Step 6: Final answer
    x = 1,197.15

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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.