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Finding the Fourth Proportional to 16,122.60, 24,167.10 and 7,790.04

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Solution

The fourth proportional to 16,122.60, 24,167.10 and 7,790.04 is: 11,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.60 : 24,167.10 = 7,790.04 : x
  2. Step 2: Convert to fraction form
    16,122.60/24,167.10 = 7,790.04/x
  3. Step 3: Cross multiply
    16,122.60x = 24,167.10 × 7,790.04
  4. Step 4: Simplify right side
    16,122.60x = 188,262,675.68
  5. Step 5: Solve for x
    x = 188,262,675.68/16,122.60
  6. Step 6: Final answer
    x = 11,676.94

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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.