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Finding the Fourth Proportional to 37,627.70, 51,926.37 and 20,632.21

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Solution

The fourth proportional to 37,627.70, 51,926.37 and 20,632.21 is: 28,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,627.70 : 51,926.37 = 20,632.21 : x
  2. Step 2: Convert to fraction form
    37,627.70/51,926.37 = 20,632.21/x
  3. Step 3: Cross multiply
    37,627.70x = 51,926.37 × 20,632.21
  4. Step 4: Simplify right side
    37,627.70x = 1,071,355,770.38
  5. Step 5: Solve for x
    x = 1,071,355,770.38/37,627.70
  6. Step 6: Final answer
    x = 28,472.53

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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.