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Finding the Fourth Proportional to 11,887.99, 17,835.07 and 4,492.52

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Solution

The fourth proportional to 11,887.99, 17,835.07 and 4,492.52 is: 6,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.99 : 17,835.07 = 4,492.52 : x
  2. Step 2: Convert to fraction form
    11,887.99/17,835.07 = 4,492.52/x
  3. Step 3: Cross multiply
    11,887.99x = 17,835.07 × 4,492.52
  4. Step 4: Simplify right side
    11,887.99x = 80,124,408.68
  5. Step 5: Solve for x
    x = 80,124,408.68/11,887.99
  6. Step 6: Final answer
    x = 6,739.95

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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.