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Finding the Fourth Proportional to 6,862.48, 10,289.06 and 2,181.08

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Solution

The fourth proportional to 6,862.48, 10,289.06 and 2,181.08 is: 3,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.48 : 10,289.06 = 2,181.08 : x
  2. Step 2: Convert to fraction form
    6,862.48/10,289.06 = 2,181.08/x
  3. Step 3: Cross multiply
    6,862.48x = 10,289.06 × 2,181.08
  4. Step 4: Simplify right side
    6,862.48x = 22,441,285.98
  5. Step 5: Solve for x
    x = 22,441,285.98/6,862.48
  6. Step 6: Final answer
    x = 3,270.14

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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.