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Finding the Fourth Proportional to 10,755.88, 16,125.52 and 3,355.96

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Solution

The fourth proportional to 10,755.88, 16,125.52 and 3,355.96 is: 5,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.88 : 16,125.52 = 3,355.96 : x
  2. Step 2: Convert to fraction form
    10,755.88/16,125.52 = 3,355.96/x
  3. Step 3: Cross multiply
    10,755.88x = 16,125.52 × 3,355.96
  4. Step 4: Simplify right side
    10,755.88x = 54,116,600.10
  5. Step 5: Solve for x
    x = 54,116,600.10/10,755.88
  6. Step 6: Final answer
    x = 5,031.35

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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.