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Finding the Fourth Proportional to 8,607.03, 12,907.07 and 3,339.27

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Solution

The fourth proportional to 8,607.03, 12,907.07 and 3,339.27 is: 5,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.03 : 12,907.07 = 3,339.27 : x
  2. Step 2: Convert to fraction form
    8,607.03/12,907.07 = 3,339.27/x
  3. Step 3: Cross multiply
    8,607.03x = 12,907.07 × 3,339.27
  4. Step 4: Simplify right side
    8,607.03x = 43,100,191.64
  5. Step 5: Solve for x
    x = 43,100,191.64/8,607.03
  6. Step 6: Final answer
    x = 5,007.56

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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.