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Finding the Fourth Proportional to 19,954.72, 27,537.71 and 11,002.53

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Solution

The fourth proportional to 19,954.72, 27,537.71 and 11,002.53 is: 15,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.72 : 27,537.71 = 11,002.53 : x
  2. Step 2: Convert to fraction form
    19,954.72/27,537.71 = 11,002.53/x
  3. Step 3: Cross multiply
    19,954.72x = 27,537.71 × 11,002.53
  4. Step 4: Simplify right side
    19,954.72x = 302,984,480.41
  5. Step 5: Solve for x
    x = 302,984,480.41/19,954.72
  6. Step 6: Final answer
    x = 15,183.60

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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.