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Finding the Fourth Proportional to 8,603.37, 12,904.62 and 2,759.52

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Solution

The fourth proportional to 8,603.37, 12,904.62 and 2,759.52 is: 4,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.37 : 12,904.62 = 2,759.52 : x
  2. Step 2: Convert to fraction form
    8,603.37/12,904.62 = 2,759.52/x
  3. Step 3: Cross multiply
    8,603.37x = 12,904.62 × 2,759.52
  4. Step 4: Simplify right side
    8,603.37x = 35,610,556.98
  5. Step 5: Solve for x
    x = 35,610,556.98/8,603.37
  6. Step 6: Final answer
    x = 4,139.14

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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.