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Finding the Fourth Proportional to 5,893.44, 8,130.24 and 3,408

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Solution

The fourth proportional to 5,893.44, 8,130.24 and 3,408 is: 4,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,893.44 : 8,130.24 = 3,408 : x
  2. Step 2: Convert to fraction form
    5,893.44/8,130.24 = 3,408/x
  3. Step 3: Cross multiply
    5,893.44x = 8,130.24 × 3,408
  4. Step 4: Simplify right side
    5,893.44x = 27,707,857.92
  5. Step 5: Solve for x
    x = 27,707,857.92/5,893.44
  6. Step 6: Final answer
    x = 4,701.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.