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Finding the Fourth Proportional to 38,063, 57,114.96 and 15,891.56

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Solution

The fourth proportional to 38,063, 57,114.96 and 15,891.56 is: 23,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,063 : 57,114.96 = 15,891.56 : x
  2. Step 2: Convert to fraction form
    38,063/57,114.96 = 15,891.56/x
  3. Step 3: Cross multiply
    38,063x = 57,114.96 × 15,891.56
  4. Step 4: Simplify right side
    38,063x = 907,645,813.74
  5. Step 5: Solve for x
    x = 907,645,813.74/38,063
  6. Step 6: Final answer
    x = 23,845.88

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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.