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Finding the Fourth Proportional to 10,800.02, 16,193.34 and 4,218.48

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Solution

The fourth proportional to 10,800.02, 16,193.34 and 4,218.48 is: 6,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.02 : 16,193.34 = 4,218.48 : x
  2. Step 2: Convert to fraction form
    10,800.02/16,193.34 = 4,218.48/x
  3. Step 3: Cross multiply
    10,800.02x = 16,193.34 × 4,218.48
  4. Step 4: Simplify right side
    10,800.02x = 68,311,280.92
  5. Step 5: Solve for x
    x = 68,311,280.92/10,800.02
  6. Step 6: Final answer
    x = 6,325.11

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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.