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Finding the Fourth Proportional to 12,498.10, 18,750.29 and 3,732.99

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Solution

The fourth proportional to 12,498.10, 18,750.29 and 3,732.99 is: 5,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498.10 : 18,750.29 = 3,732.99 : x
  2. Step 2: Convert to fraction form
    12,498.10/18,750.29 = 3,732.99/x
  3. Step 3: Cross multiply
    12,498.10x = 18,750.29 × 3,732.99
  4. Step 4: Simplify right side
    12,498.10x = 69,994,556.09
  5. Step 5: Solve for x
    x = 69,994,556.09/12,498.10
  6. Step 6: Final answer
    x = 5,600.42

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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.