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Finding the Fourth Proportional to 27,163.35, 40,745.03 and 13,134.15

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Solution

The fourth proportional to 27,163.35, 40,745.03 and 13,134.15 is: 19,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,163.35 : 40,745.03 = 13,134.15 : x
  2. Step 2: Convert to fraction form
    27,163.35/40,745.03 = 13,134.15/x
  3. Step 3: Cross multiply
    27,163.35x = 40,745.03 × 13,134.15
  4. Step 4: Simplify right side
    27,163.35x = 535,151,270.10
  5. Step 5: Solve for x
    x = 535,151,270.10/27,163.35
  6. Step 6: Final answer
    x = 19,701.23

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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.