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Finding the Fourth Proportional to 16,745.60, 25,122.60 and 11,824.86

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Solution

The fourth proportional to 16,745.60, 25,122.60 and 11,824.86 is: 17,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.60 : 25,122.60 = 11,824.86 : x
  2. Step 2: Convert to fraction form
    16,745.60/25,122.60 = 11,824.86/x
  3. Step 3: Cross multiply
    16,745.60x = 25,122.60 × 11,824.86
  4. Step 4: Simplify right side
    16,745.60x = 297,071,227.84
  5. Step 5: Solve for x
    x = 297,071,227.84/16,745.60
  6. Step 6: Final answer
    x = 17,740.26

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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.