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Finding the Fourth Proportional to 13,046.61, 18,004.56 and 7,741.29

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Solution

The fourth proportional to 13,046.61, 18,004.56 and 7,741.29 is: 10,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.61 : 18,004.56 = 7,741.29 : x
  2. Step 2: Convert to fraction form
    13,046.61/18,004.56 = 7,741.29/x
  3. Step 3: Cross multiply
    13,046.61x = 18,004.56 × 7,741.29
  4. Step 4: Simplify right side
    13,046.61x = 139,378,520.28
  5. Step 5: Solve for x
    x = 139,378,520.28/13,046.61
  6. Step 6: Final answer
    x = 10,683.12

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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.