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Finding the Fourth Proportional to 19,605.37, 27,052.37 and 11,647.39

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Solution

The fourth proportional to 19,605.37, 27,052.37 and 11,647.39 is: 16,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.37 : 27,052.37 = 11,647.39 : x
  2. Step 2: Convert to fraction form
    19,605.37/27,052.37 = 11,647.39/x
  3. Step 3: Cross multiply
    19,605.37x = 27,052.37 × 11,647.39
  4. Step 4: Simplify right side
    19,605.37x = 315,089,445.58
  5. Step 5: Solve for x
    x = 315,089,445.58/19,605.37
  6. Step 6: Final answer
    x = 16,071.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.