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Finding the Fourth Proportional to 16,851.52, 25,266.48 and 6,997.60

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Solution

The fourth proportional to 16,851.52, 25,266.48 and 6,997.60 is: 10,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.52 : 25,266.48 = 6,997.60 : x
  2. Step 2: Convert to fraction form
    16,851.52/25,266.48 = 6,997.60/x
  3. Step 3: Cross multiply
    16,851.52x = 25,266.48 × 6,997.60
  4. Step 4: Simplify right side
    16,851.52x = 176,804,720.45
  5. Step 5: Solve for x
    x = 176,804,720.45/16,851.52
  6. Step 6: Final answer
    x = 10,491.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.