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Finding the Fourth Proportional to 37,224.56, 51,369.90 and 20,457.56

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Solution

The fourth proportional to 37,224.56, 51,369.90 and 20,457.56 is: 28,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,224.56 : 51,369.90 = 20,457.56 : x
  2. Step 2: Convert to fraction form
    37,224.56/51,369.90 = 20,457.56/x
  3. Step 3: Cross multiply
    37,224.56x = 51,369.90 × 20,457.56
  4. Step 4: Simplify right side
    37,224.56x = 1,050,902,863.15
  5. Step 5: Solve for x
    x = 1,050,902,863.15/37,224.56
  6. Step 6: Final answer
    x = 28,231.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.