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Finding the Fourth Proportional to 43,351.68, 65,035.68 and 13,771.68

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Solution

The fourth proportional to 43,351.68, 65,035.68 and 13,771.68 is: 20,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,351.68 : 65,035.68 = 13,771.68 : x
  2. Step 2: Convert to fraction form
    43,351.68/65,035.68 = 13,771.68/x
  3. Step 3: Cross multiply
    43,351.68x = 65,035.68 × 13,771.68
  4. Step 4: Simplify right side
    43,351.68x = 895,650,573.54
  5. Step 5: Solve for x
    x = 895,650,573.54/43,351.68
  6. Step 6: Final answer
    x = 20,660.11

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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.