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Finding the Fourth Proportional to 12,975.08, 19,462.92 and 4,654.92

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Solution

The fourth proportional to 12,975.08, 19,462.92 and 4,654.92 is: 6,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.08 : 19,462.92 = 4,654.92 : x
  2. Step 2: Convert to fraction form
    12,975.08/19,462.92 = 4,654.92/x
  3. Step 3: Cross multiply
    12,975.08x = 19,462.92 × 4,654.92
  4. Step 4: Simplify right side
    12,975.08x = 90,598,335.57
  5. Step 5: Solve for x
    x = 90,598,335.57/12,975.08
  6. Step 6: Final answer
    x = 6,982.49

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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.