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Finding the Fourth Proportional to 2,368.71, 3,553.16 and 637.38

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Solution

The fourth proportional to 2,368.71, 3,553.16 and 637.38 is: 956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.71 : 3,553.16 = 637.38 : x
  2. Step 2: Convert to fraction form
    2,368.71/3,553.16 = 637.38/x
  3. Step 3: Cross multiply
    2,368.71x = 3,553.16 × 637.38
  4. Step 4: Simplify right side
    2,368.71x = 2,264,709.93
  5. Step 5: Solve for x
    x = 2,264,709.93/2,368.71
  6. Step 6: Final answer
    x = 956.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.