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Finding the Fourth Proportional to 12,503.88, 18,752.58 and 3,736.44

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Solution

The fourth proportional to 12,503.88, 18,752.58 and 3,736.44 is: 5,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.88 : 18,752.58 = 3,736.44 : x
  2. Step 2: Convert to fraction form
    12,503.88/18,752.58 = 3,736.44/x
  3. Step 3: Cross multiply
    12,503.88x = 18,752.58 × 3,736.44
  4. Step 4: Simplify right side
    12,503.88x = 70,067,890.02
  5. Step 5: Solve for x
    x = 70,067,890.02/12,503.88
  6. Step 6: Final answer
    x = 5,603.69

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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.