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Finding the Fourth Proportional to 14,919.21, 22,383.03 and 5,059.26

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Solution

The fourth proportional to 14,919.21, 22,383.03 and 5,059.26 is: 7,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.21 : 22,383.03 = 5,059.26 : x
  2. Step 2: Convert to fraction form
    14,919.21/22,383.03 = 5,059.26/x
  3. Step 3: Cross multiply
    14,919.21x = 22,383.03 × 5,059.26
  4. Step 4: Simplify right side
    14,919.21x = 113,241,568.36
  5. Step 5: Solve for x
    x = 113,241,568.36/14,919.21
  6. Step 6: Final answer
    x = 7,590.32

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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.