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Finding the Fourth Proportional to 5,372.72, 8,058 and 1,476.62

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Solution

The fourth proportional to 5,372.72, 8,058 and 1,476.62 is: 2,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.72 : 8,058 = 1,476.62 : x
  2. Step 2: Convert to fraction form
    5,372.72/8,058 = 1,476.62/x
  3. Step 3: Cross multiply
    5,372.72x = 8,058 × 1,476.62
  4. Step 4: Simplify right side
    5,372.72x = 11,898,603.96
  5. Step 5: Solve for x
    x = 11,898,603.96/5,372.72
  6. Step 6: Final answer
    x = 2,214.63

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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.