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Finding the Fourth Proportional to 37,227.38, 51,372.38 and 21,313.31

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Solution

The fourth proportional to 37,227.38, 51,372.38 and 21,313.31 is: 29,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,227.38 : 51,372.38 = 21,313.31 : x
  2. Step 2: Convert to fraction form
    37,227.38/51,372.38 = 21,313.31/x
  3. Step 3: Cross multiply
    37,227.38x = 51,372.38 × 21,313.31
  4. Step 4: Simplify right side
    37,227.38x = 1,094,915,353.81
  5. Step 5: Solve for x
    x = 1,094,915,353.81/37,227.38
  6. Step 6: Final answer
    x = 29,411.56

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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.