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Finding the Fourth Proportional to 43,717.50, 65,581.20 and 16,015.50

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Solution

The fourth proportional to 43,717.50, 65,581.20 and 16,015.50 is: 24,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,717.50 : 65,581.20 = 16,015.50 : x
  2. Step 2: Convert to fraction form
    43,717.50/65,581.20 = 16,015.50/x
  3. Step 3: Cross multiply
    43,717.50x = 65,581.20 × 16,015.50
  4. Step 4: Simplify right side
    43,717.50x = 1,050,315,708.60
  5. Step 5: Solve for x
    x = 1,050,315,708.60/43,717.50
  6. Step 6: Final answer
    x = 24,025.06

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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.