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Finding the Fourth Proportional to 13,753.99, 18,980.72 and 7,466.37

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Solution

The fourth proportional to 13,753.99, 18,980.72 and 7,466.37 is: 10,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.99 : 18,980.72 = 7,466.37 : x
  2. Step 2: Convert to fraction form
    13,753.99/18,980.72 = 7,466.37/x
  3. Step 3: Cross multiply
    13,753.99x = 18,980.72 × 7,466.37
  4. Step 4: Simplify right side
    13,753.99x = 141,717,078.39
  5. Step 5: Solve for x
    x = 141,717,078.39/13,753.99
  6. Step 6: Final answer
    x = 10,303.71

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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.