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Finding the Fourth Proportional to 43,559.44, 65,337.72 and 18,935.44

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Solution

The fourth proportional to 43,559.44, 65,337.72 and 18,935.44 is: 28,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,559.44 : 65,337.72 = 18,935.44 : x
  2. Step 2: Convert to fraction form
    43,559.44/65,337.72 = 18,935.44/x
  3. Step 3: Cross multiply
    43,559.44x = 65,337.72 × 18,935.44
  4. Step 4: Simplify right side
    43,559.44x = 1,237,198,476.80
  5. Step 5: Solve for x
    x = 1,237,198,476.80/43,559.44
  6. Step 6: Final answer
    x = 28,402.53

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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.