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Finding the Fourth Proportional to 8,604.03, 12,903.30 and 2,759.25

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Solution

The fourth proportional to 8,604.03, 12,903.30 and 2,759.25 is: 4,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.03 : 12,903.30 = 2,759.25 : x
  2. Step 2: Convert to fraction form
    8,604.03/12,903.30 = 2,759.25/x
  3. Step 3: Cross multiply
    8,604.03x = 12,903.30 × 2,759.25
  4. Step 4: Simplify right side
    8,604.03x = 35,603,430.53
  5. Step 5: Solve for x
    x = 35,603,430.53/8,604.03
  6. Step 6: Final answer
    x = 4,137.99

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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.