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Finding the Fourth Proportional to 37,330, 51,515.56 and 20,562.64

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Solution

The fourth proportional to 37,330, 51,515.56 and 20,562.64 is: 28,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,330 : 51,515.56 = 20,562.64 : x
  2. Step 2: Convert to fraction form
    37,330/51,515.56 = 20,562.64/x
  3. Step 3: Cross multiply
    37,330x = 51,515.56 × 20,562.64
  4. Step 4: Simplify right side
    37,330x = 1,059,295,914.68
  5. Step 5: Solve for x
    x = 1,059,295,914.68/37,330
  6. Step 6: Final answer
    x = 28,376.53

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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.