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Finding the Fourth Proportional to 17,926.17, 24,740.88 and 12,906.99

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Solution

The fourth proportional to 17,926.17, 24,740.88 and 12,906.99 is: 17,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,926.17 : 24,740.88 = 12,906.99 : x
  2. Step 2: Convert to fraction form
    17,926.17/24,740.88 = 12,906.99/x
  3. Step 3: Cross multiply
    17,926.17x = 24,740.88 × 12,906.99
  4. Step 4: Simplify right side
    17,926.17x = 319,330,290.75
  5. Step 5: Solve for x
    x = 319,330,290.75/17,926.17
  6. Step 6: Final answer
    x = 17,813.64

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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.