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Finding the Fourth Proportional to 37,321.67, 51,504.50 and 20,554.67

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Solution

The fourth proportional to 37,321.67, 51,504.50 and 20,554.67 is: 28,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,321.67 : 51,504.50 = 20,554.67 : x
  2. Step 2: Convert to fraction form
    37,321.67/51,504.50 = 20,554.67/x
  3. Step 3: Cross multiply
    37,321.67x = 51,504.50 × 20,554.67
  4. Step 4: Simplify right side
    37,321.67x = 1,058,657,794.88
  5. Step 5: Solve for x
    x = 1,058,657,794.88/37,321.67
  6. Step 6: Final answer
    x = 28,365.77

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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.