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Finding the Fourth Proportional to 12,494.52, 18,745.02 and 4,705.56

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Solution

The fourth proportional to 12,494.52, 18,745.02 and 4,705.56 is: 7,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.52 : 18,745.02 = 4,705.56 : x
  2. Step 2: Convert to fraction form
    12,494.52/18,745.02 = 4,705.56/x
  3. Step 3: Cross multiply
    12,494.52x = 18,745.02 × 4,705.56
  4. Step 4: Simplify right side
    12,494.52x = 88,205,816.31
  5. Step 5: Solve for x
    x = 88,205,816.31/12,494.52
  6. Step 6: Final answer
    x = 7,059.56

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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.