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Finding the Fourth Proportional to 37,189.48, 51,321.48 and 20,193.64

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Solution

The fourth proportional to 37,189.48, 51,321.48 and 20,193.64 is: 27,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.48 : 51,321.48 = 20,193.64 : x
  2. Step 2: Convert to fraction form
    37,189.48/51,321.48 = 20,193.64/x
  3. Step 3: Cross multiply
    37,189.48x = 51,321.48 × 20,193.64
  4. Step 4: Simplify right side
    37,189.48x = 1,036,367,491.39
  5. Step 5: Solve for x
    x = 1,036,367,491.39/37,189.48
  6. Step 6: Final answer
    x = 27,867.22

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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.