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Finding the Fourth Proportional to 11,819.70, 17,735.09 and 5,897.05

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Solution

The fourth proportional to 11,819.70, 17,735.09 and 5,897.05 is: 8,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.70 : 17,735.09 = 5,897.05 : x
  2. Step 2: Convert to fraction form
    11,819.70/17,735.09 = 5,897.05/x
  3. Step 3: Cross multiply
    11,819.70x = 17,735.09 × 5,897.05
  4. Step 4: Simplify right side
    11,819.70x = 104,584,638.66
  5. Step 5: Solve for x
    x = 104,584,638.66/11,819.70
  6. Step 6: Final answer
    x = 8,848.33

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1.5x scale

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.