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Finding the Fourth Proportional to 13,371.52, 20,060.48 and 4,137.52

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Solution

The fourth proportional to 13,371.52, 20,060.48 and 4,137.52 is: 6,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.52 : 20,060.48 = 4,137.52 : x
  2. Step 2: Convert to fraction form
    13,371.52/20,060.48 = 4,137.52/x
  3. Step 3: Cross multiply
    13,371.52x = 20,060.48 × 4,137.52
  4. Step 4: Simplify right side
    13,371.52x = 83,000,637.21
  5. Step 5: Solve for x
    x = 83,000,637.21/13,371.52
  6. Step 6: Final answer
    x = 6,207.27

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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.