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Finding the Fourth Proportional to 12,697.44, 19,044 and 4,906.32

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Solution

The fourth proportional to 12,697.44, 19,044 and 4,906.32 is: 7,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697.44 : 19,044 = 4,906.32 : x
  2. Step 2: Convert to fraction form
    12,697.44/19,044 = 4,906.32/x
  3. Step 3: Cross multiply
    12,697.44x = 19,044 × 4,906.32
  4. Step 4: Simplify right side
    12,697.44x = 93,435,958.08
  5. Step 5: Solve for x
    x = 93,435,958.08/12,697.44
  6. Step 6: Final answer
    x = 7,358.65

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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.