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Finding the Fourth Proportional to 13,341.10, 18,410.22 and 7,676.72

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Solution

The fourth proportional to 13,341.10, 18,410.22 and 7,676.72 is: 10,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.10 : 18,410.22 = 7,676.72 : x
  2. Step 2: Convert to fraction form
    13,341.10/18,410.22 = 7,676.72/x
  3. Step 3: Cross multiply
    13,341.10x = 18,410.22 × 7,676.72
  4. Step 4: Simplify right side
    13,341.10x = 141,330,150.10
  5. Step 5: Solve for x
    x = 141,330,150.10/13,341.10
  6. Step 6: Final answer
    x = 10,593.59

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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.