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Finding the Fourth Proportional to 16,450.36, 24,686.48 and 7,685.96

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Solution

The fourth proportional to 16,450.36, 24,686.48 and 7,685.96 is: 11,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,450.36 : 24,686.48 = 7,685.96 : x
  2. Step 2: Convert to fraction form
    16,450.36/24,686.48 = 7,685.96/x
  3. Step 3: Cross multiply
    16,450.36x = 24,686.48 × 7,685.96
  4. Step 4: Simplify right side
    16,450.36x = 189,739,197.67
  5. Step 5: Solve for x
    x = 189,739,197.67/16,450.36
  6. Step 6: Final answer
    x = 11,534.05

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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.