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Finding the Fourth Proportional to 12,745.80, 19,119.08 and 6,083.00

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Solution

The fourth proportional to 12,745.80, 19,119.08 and 6,083.00 is: 9,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.80 : 19,119.08 = 6,083.00 : x
  2. Step 2: Convert to fraction form
    12,745.80/19,119.08 = 6,083.00/x
  3. Step 3: Cross multiply
    12,745.80x = 19,119.08 × 6,083.00
  4. Step 4: Simplify right side
    12,745.80x = 116,301,346.55
  5. Step 5: Solve for x
    x = 116,301,346.55/12,745.80
  6. Step 6: Final answer
    x = 9,124.68

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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.