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Finding the Fourth Proportional to 1,845.66, 2,768.85 and 968.58

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Solution

The fourth proportional to 1,845.66, 2,768.85 and 968.58 is: 1,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.66 : 2,768.85 = 968.58 : x
  2. Step 2: Convert to fraction form
    1,845.66/2,768.85 = 968.58/x
  3. Step 3: Cross multiply
    1,845.66x = 2,768.85 × 968.58
  4. Step 4: Simplify right side
    1,845.66x = 2,681,852.73
  5. Step 5: Solve for x
    x = 2,681,852.73/1,845.66
  6. Step 6: Final answer
    x = 1,453.06

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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.