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Finding the Fourth Proportional to 2,369.16, 3,553.20 and 1,071

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Solution

The fourth proportional to 2,369.16, 3,553.20 and 1,071 is: 1,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.16 : 3,553.20 = 1,071 : x
  2. Step 2: Convert to fraction form
    2,369.16/3,553.20 = 1,071/x
  3. Step 3: Cross multiply
    2,369.16x = 3,553.20 × 1,071
  4. Step 4: Simplify right side
    2,369.16x = 3,805,477.20
  5. Step 5: Solve for x
    x = 3,805,477.20/2,369.16
  6. Step 6: Final answer
    x = 1,606.26

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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.