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Finding the Fourth Proportional to 6,540.84, 9,808.02 and 2,156.04

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Solution

The fourth proportional to 6,540.84, 9,808.02 and 2,156.04 is: 3,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.84 : 9,808.02 = 2,156.04 : x
  2. Step 2: Convert to fraction form
    6,540.84/9,808.02 = 2,156.04/x
  3. Step 3: Cross multiply
    6,540.84x = 9,808.02 × 2,156.04
  4. Step 4: Simplify right side
    6,540.84x = 21,146,483.44
  5. Step 5: Solve for x
    x = 21,146,483.44/6,540.84
  6. Step 6: Final answer
    x = 3,232.99

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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.