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Finding the Fourth Proportional to 23,720.70, 32,745.03 and 14,163.90

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Solution

The fourth proportional to 23,720.70, 32,745.03 and 14,163.90 is: 19,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.70 : 32,745.03 = 14,163.90 : x
  2. Step 2: Convert to fraction form
    23,720.70/32,745.03 = 14,163.90/x
  3. Step 3: Cross multiply
    23,720.70x = 32,745.03 × 14,163.90
  4. Step 4: Simplify right side
    23,720.70x = 463,797,330.42
  5. Step 5: Solve for x
    x = 463,797,330.42/23,720.70
  6. Step 6: Final answer
    x = 19,552.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.