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Finding the Fourth Proportional to 43,672.68, 65,512.44 and 15,598.80

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Solution

The fourth proportional to 43,672.68, 65,512.44 and 15,598.80 is: 23,399.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,672.68 : 65,512.44 = 15,598.80 : x
  2. Step 2: Convert to fraction form
    43,672.68/65,512.44 = 15,598.80/x
  3. Step 3: Cross multiply
    43,672.68x = 65,512.44 × 15,598.80
  4. Step 4: Simplify right side
    43,672.68x = 1,021,915,449.07
  5. Step 5: Solve for x
    x = 1,021,915,449.07/43,672.68
  6. Step 6: Final answer
    x = 23,399.42

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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.