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Finding the Fourth Proportional to 2,324.01, 3,485.69 and 862.97

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Solution

The fourth proportional to 2,324.01, 3,485.69 and 862.97 is: 1,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.01 : 3,485.69 = 862.97 : x
  2. Step 2: Convert to fraction form
    2,324.01/3,485.69 = 862.97/x
  3. Step 3: Cross multiply
    2,324.01x = 3,485.69 × 862.97
  4. Step 4: Simplify right side
    2,324.01x = 3,008,024.16
  5. Step 5: Solve for x
    x = 3,008,024.16/2,324.01
  6. Step 6: Final answer
    x = 1,294.32

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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.