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Finding the Fourth Proportional to 12,468.60, 18,694.26 and 4,675.32

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Solution

The fourth proportional to 12,468.60, 18,694.26 and 4,675.32 is: 7,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.60 : 18,694.26 = 4,675.32 : x
  2. Step 2: Convert to fraction form
    12,468.60/18,694.26 = 4,675.32/x
  3. Step 3: Cross multiply
    12,468.60x = 18,694.26 × 4,675.32
  4. Step 4: Simplify right side
    12,468.60x = 87,401,647.66
  5. Step 5: Solve for x
    x = 87,401,647.66/12,468.60
  6. Step 6: Final answer
    x = 7,009.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.