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Finding the Fourth Proportional to 2,369.16, 3,553.31 and 637.38

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Solution

The fourth proportional to 2,369.16, 3,553.31 and 637.38 is: 955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.16 : 3,553.31 = 637.38 : x
  2. Step 2: Convert to fraction form
    2,369.16/3,553.31 = 637.38/x
  3. Step 3: Cross multiply
    2,369.16x = 3,553.31 × 637.38
  4. Step 4: Simplify right side
    2,369.16x = 2,264,808.73
  5. Step 5: Solve for x
    x = 2,264,808.73/2,369.16
  6. Step 6: Final answer
    x = 955.95

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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.