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Finding the Fourth Proportional to 43,846.60, 65,745.60 and 18,882.40

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Solution

The fourth proportional to 43,846.60, 65,745.60 and 18,882.40 is: 28,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,846.60 : 65,745.60 = 18,882.40 : x
  2. Step 2: Convert to fraction form
    43,846.60/65,745.60 = 18,882.40/x
  3. Step 3: Cross multiply
    43,846.60x = 65,745.60 × 18,882.40
  4. Step 4: Simplify right side
    43,846.60x = 1,241,434,717.44
  5. Step 5: Solve for x
    x = 1,241,434,717.44/43,846.60
  6. Step 6: Final answer
    x = 28,313.14

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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.