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Finding the Fourth Proportional to 17,735.70, 26,643.15 and 14,819.70

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Solution

The fourth proportional to 17,735.70, 26,643.15 and 14,819.70 is: 22,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,735.70 : 26,643.15 = 14,819.70 : x
  2. Step 2: Convert to fraction form
    17,735.70/26,643.15 = 14,819.70/x
  3. Step 3: Cross multiply
    17,735.70x = 26,643.15 × 14,819.70
  4. Step 4: Simplify right side
    17,735.70x = 394,843,490.06
  5. Step 5: Solve for x
    x = 394,843,490.06/17,735.70
  6. Step 6: Final answer
    x = 22,262.64

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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.