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Finding the Fourth Proportional to 3,245.73, 4,865.62 and 1,053.33

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Solution

The fourth proportional to 3,245.73, 4,865.62 and 1,053.33 is: 1,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.73 : 4,865.62 = 1,053.33 : x
  2. Step 2: Convert to fraction form
    3,245.73/4,865.62 = 1,053.33/x
  3. Step 3: Cross multiply
    3,245.73x = 4,865.62 × 1,053.33
  4. Step 4: Simplify right side
    3,245.73x = 5,125,103.51
  5. Step 5: Solve for x
    x = 5,125,103.51/3,245.73
  6. Step 6: Final answer
    x = 1,579.03

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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.