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Finding the Fourth Proportional to 10,898.70, 15,040.08 and 6,183.02

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Solution

The fourth proportional to 10,898.70, 15,040.08 and 6,183.02 is: 8,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.70 : 15,040.08 = 6,183.02 : x
  2. Step 2: Convert to fraction form
    10,898.70/15,040.08 = 6,183.02/x
  3. Step 3: Cross multiply
    10,898.70x = 15,040.08 × 6,183.02
  4. Step 4: Simplify right side
    10,898.70x = 92,993,115.44
  5. Step 5: Solve for x
    x = 92,993,115.44/10,898.70
  6. Step 6: Final answer
    x = 8,532.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.