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Finding the Fourth Proportional to 17,221.01, 25,826.65 and 4,737.99

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Solution

The fourth proportional to 17,221.01, 25,826.65 and 4,737.99 is: 7,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.01 : 25,826.65 = 4,737.99 : x
  2. Step 2: Convert to fraction form
    17,221.01/25,826.65 = 4,737.99/x
  3. Step 3: Cross multiply
    17,221.01x = 25,826.65 × 4,737.99
  4. Step 4: Simplify right side
    17,221.01x = 122,366,494.44
  5. Step 5: Solve for x
    x = 122,366,494.44/17,221.01
  6. Step 6: Final answer
    x = 7,105.65

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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.