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Finding the Fourth Proportional to 12,968.52, 17,902.62 and 8,492.46

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Solution

The fourth proportional to 12,968.52, 17,902.62 and 8,492.46 is: 11,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.52 : 17,902.62 = 8,492.46 : x
  2. Step 2: Convert to fraction form
    12,968.52/17,902.62 = 8,492.46/x
  3. Step 3: Cross multiply
    12,968.52x = 17,902.62 × 8,492.46
  4. Step 4: Simplify right side
    12,968.52x = 152,037,284.25
  5. Step 5: Solve for x
    x = 152,037,284.25/12,968.52
  6. Step 6: Final answer
    x = 11,723.56

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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.