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Finding the Fourth Proportional to 17,919.98, 24,729.60 and 9,962.14

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Solution

The fourth proportional to 17,919.98, 24,729.60 and 9,962.14 is: 13,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.98 : 24,729.60 = 9,962.14 : x
  2. Step 2: Convert to fraction form
    17,919.98/24,729.60 = 9,962.14/x
  3. Step 3: Cross multiply
    17,919.98x = 24,729.60 × 9,962.14
  4. Step 4: Simplify right side
    17,919.98x = 246,359,737.34
  5. Step 5: Solve for x
    x = 246,359,737.34/17,919.98
  6. Step 6: Final answer
    x = 13,747.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.