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Finding the Fourth Proportional to 13,739.66, 18,960.62 and 7,452

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Solution

The fourth proportional to 13,739.66, 18,960.62 and 7,452 is: 10,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.66 : 18,960.62 = 7,452 : x
  2. Step 2: Convert to fraction form
    13,739.66/18,960.62 = 7,452/x
  3. Step 3: Cross multiply
    13,739.66x = 18,960.62 × 7,452
  4. Step 4: Simplify right side
    13,739.66x = 141,294,540.24
  5. Step 5: Solve for x
    x = 141,294,540.24/13,739.66
  6. Step 6: Final answer
    x = 10,283.70

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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.