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Finding the Fourth Proportional to 23,765.61, 35,636.12 and 12,669.32

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Solution

The fourth proportional to 23,765.61, 35,636.12 and 12,669.32 is: 18,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,765.61 : 35,636.12 = 12,669.32 : x
  2. Step 2: Convert to fraction form
    23,765.61/35,636.12 = 12,669.32/x
  3. Step 3: Cross multiply
    23,765.61x = 35,636.12 × 12,669.32
  4. Step 4: Simplify right side
    23,765.61x = 451,485,481.09
  5. Step 5: Solve for x
    x = 451,485,481.09/23,765.61
  6. Step 6: Final answer
    x = 18,997.43

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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.