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Finding the Fourth Proportional to 27,163.40, 40,745.10 and 23,518.40

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Solution

The fourth proportional to 27,163.40, 40,745.10 and 23,518.40 is: 35,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,163.40 : 40,745.10 = 23,518.40 : x
  2. Step 2: Convert to fraction form
    27,163.40/40,745.10 = 23,518.40/x
  3. Step 3: Cross multiply
    27,163.40x = 40,745.10 × 23,518.40
  4. Step 4: Simplify right side
    27,163.40x = 958,259,559.84
  5. Step 5: Solve for x
    x = 958,259,559.84/27,163.40
  6. Step 6: Final answer
    x = 35,277.60

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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.