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Finding the Fourth Proportional to 16,989.66, 25,489.66 and 5,302.98

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Solution

The fourth proportional to 16,989.66, 25,489.66 and 5,302.98 is: 7,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.66 : 25,489.66 = 5,302.98 : x
  2. Step 2: Convert to fraction form
    16,989.66/25,489.66 = 5,302.98/x
  3. Step 3: Cross multiply
    16,989.66x = 25,489.66 × 5,302.98
  4. Step 4: Simplify right side
    16,989.66x = 135,171,157.19
  5. Step 5: Solve for x
    x = 135,171,157.19/16,989.66
  6. Step 6: Final answer
    x = 7,956.08

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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.