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Finding the Fourth Proportional to 1,548.92, 2,324.36 and 891.64

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Solution

The fourth proportional to 1,548.92, 2,324.36 and 891.64 is: 1,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.92 : 2,324.36 = 891.64 : x
  2. Step 2: Convert to fraction form
    1,548.92/2,324.36 = 891.64/x
  3. Step 3: Cross multiply
    1,548.92x = 2,324.36 × 891.64
  4. Step 4: Simplify right side
    1,548.92x = 2,072,497.48
  5. Step 5: Solve for x
    x = 2,072,497.48/1,548.92
  6. Step 6: Final answer
    x = 1,338.03

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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.