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Finding the Fourth Proportional to 2,650.72, 3,971.04 and 1,497.28

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Solution

The fourth proportional to 2,650.72, 3,971.04 and 1,497.28 is: 2,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.72 : 3,971.04 = 1,497.28 : x
  2. Step 2: Convert to fraction form
    2,650.72/3,971.04 = 1,497.28/x
  3. Step 3: Cross multiply
    2,650.72x = 3,971.04 × 1,497.28
  4. Step 4: Simplify right side
    2,650.72x = 5,945,758.77
  5. Step 5: Solve for x
    x = 5,945,758.77/2,650.72
  6. Step 6: Final answer
    x = 2,243.07

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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.