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Finding the Fourth Proportional to 14,835.42, 22,255.07 and 5,481.99

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Solution

The fourth proportional to 14,835.42, 22,255.07 and 5,481.99 is: 8,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.42 : 22,255.07 = 5,481.99 : x
  2. Step 2: Convert to fraction form
    14,835.42/22,255.07 = 5,481.99/x
  3. Step 3: Cross multiply
    14,835.42x = 22,255.07 × 5,481.99
  4. Step 4: Simplify right side
    14,835.42x = 122,002,071.19
  5. Step 5: Solve for x
    x = 122,002,071.19/14,835.42
  6. Step 6: Final answer
    x = 8,223.70

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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.