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Finding the Fourth Proportional to 15,863.40, 23,788.22 and 8,466.24

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Solution

The fourth proportional to 15,863.40, 23,788.22 and 8,466.24 is: 12,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.40 : 23,788.22 = 8,466.24 : x
  2. Step 2: Convert to fraction form
    15,863.40/23,788.22 = 8,466.24/x
  3. Step 3: Cross multiply
    15,863.40x = 23,788.22 × 8,466.24
  4. Step 4: Simplify right side
    15,863.40x = 201,396,779.69
  5. Step 5: Solve for x
    x = 201,396,779.69/15,863.40
  6. Step 6: Final answer
    x = 12,695.69

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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.