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Finding the Fourth Proportional to 8,068.10, 12,099.04 and 3,137.08

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Solution

The fourth proportional to 8,068.10, 12,099.04 and 3,137.08 is: 4,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.10 : 12,099.04 = 3,137.08 : x
  2. Step 2: Convert to fraction form
    8,068.10/12,099.04 = 3,137.08/x
  3. Step 3: Cross multiply
    8,068.10x = 12,099.04 × 3,137.08
  4. Step 4: Simplify right side
    8,068.10x = 37,955,656.40
  5. Step 5: Solve for x
    x = 37,955,656.40/8,068.10
  6. Step 6: Final answer
    x = 4,704.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.