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Finding the Fourth Proportional to 11,851.62, 17,783.55 and 5,282.52

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Solution

The fourth proportional to 11,851.62, 17,783.55 and 5,282.52 is: 7,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.62 : 17,783.55 = 5,282.52 : x
  2. Step 2: Convert to fraction form
    11,851.62/17,783.55 = 5,282.52/x
  3. Step 3: Cross multiply
    11,851.62x = 17,783.55 × 5,282.52
  4. Step 4: Simplify right side
    11,851.62x = 93,941,958.55
  5. Step 5: Solve for x
    x = 93,941,958.55/11,851.62
  6. Step 6: Final answer
    x = 7,926.51

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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.