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Finding the Fourth Proportional to 43,674.68, 65,515.44 and 15,600.80

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Solution

The fourth proportional to 43,674.68, 65,515.44 and 15,600.80 is: 23,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,674.68 : 65,515.44 = 15,600.80 : x
  2. Step 2: Convert to fraction form
    43,674.68/65,515.44 = 15,600.80/x
  3. Step 3: Cross multiply
    43,674.68x = 65,515.44 × 15,600.80
  4. Step 4: Simplify right side
    43,674.68x = 1,022,093,276.35
  5. Step 5: Solve for x
    x = 1,022,093,276.35/43,674.68
  6. Step 6: Final answer
    x = 23,402.42

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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.