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Finding the Fourth Proportional to 20,566.41, 30,849.78 and 4,984.03

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Solution

The fourth proportional to 20,566.41, 30,849.78 and 4,984.03 is: 7,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.41 : 30,849.78 = 4,984.03 : x
  2. Step 2: Convert to fraction form
    20,566.41/30,849.78 = 4,984.03/x
  3. Step 3: Cross multiply
    20,566.41x = 30,849.78 × 4,984.03
  4. Step 4: Simplify right side
    20,566.41x = 153,756,258.23
  5. Step 5: Solve for x
    x = 153,756,258.23/20,566.41
  6. Step 6: Final answer
    x = 7,476.09

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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.