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Finding the Fourth Proportional to 12,440.52, 17,167.14 and 6,851.52

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Solution

The fourth proportional to 12,440.52, 17,167.14 and 6,851.52 is: 9,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.52 : 17,167.14 = 6,851.52 : x
  2. Step 2: Convert to fraction form
    12,440.52/17,167.14 = 6,851.52/x
  3. Step 3: Cross multiply
    12,440.52x = 17,167.14 × 6,851.52
  4. Step 4: Simplify right side
    12,440.52x = 117,621,003.05
  5. Step 5: Solve for x
    x = 117,621,003.05/12,440.52
  6. Step 6: Final answer
    x = 9,454.67

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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.