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Finding the Fourth Proportional to 17,199.89, 23,736.12 and 9,647.90

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Solution

The fourth proportional to 17,199.89, 23,736.12 and 9,647.90 is: 13,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199.89 : 23,736.12 = 9,647.90 : x
  2. Step 2: Convert to fraction form
    17,199.89/23,736.12 = 9,647.90/x
  3. Step 3: Cross multiply
    17,199.89x = 23,736.12 × 9,647.90
  4. Step 4: Simplify right side
    17,199.89x = 229,003,712.15
  5. Step 5: Solve for x
    x = 229,003,712.15/17,199.89
  6. Step 6: Final answer
    x = 13,314.25

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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.