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Finding the Fourth Proportional to 8,745.70, 13,114.69 and 2,504.30

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Solution

The fourth proportional to 8,745.70, 13,114.69 and 2,504.30 is: 3,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.70 : 13,114.69 = 2,504.30 : x
  2. Step 2: Convert to fraction form
    8,745.70/13,114.69 = 2,504.30/x
  3. Step 3: Cross multiply
    8,745.70x = 13,114.69 × 2,504.30
  4. Step 4: Simplify right side
    8,745.70x = 32,843,093.21
  5. Step 5: Solve for x
    x = 32,843,093.21/8,745.70
  6. Step 6: Final answer
    x = 3,755.34

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1.5x scale

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.