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Finding the Fourth Proportional to 2,383.72, 3,576.08 and 923.29

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Solution

The fourth proportional to 2,383.72, 3,576.08 and 923.29 is: 1,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.72 : 3,576.08 = 923.29 : x
  2. Step 2: Convert to fraction form
    2,383.72/3,576.08 = 923.29/x
  3. Step 3: Cross multiply
    2,383.72x = 3,576.08 × 923.29
  4. Step 4: Simplify right side
    2,383.72x = 3,301,758.90
  5. Step 5: Solve for x
    x = 3,301,758.90/2,383.72
  6. Step 6: Final answer
    x = 1,385.13

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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.