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Finding the Fourth Proportional to 37,073.69, 51,161.69 and 21,157.80

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Solution

The fourth proportional to 37,073.69, 51,161.69 and 21,157.80 is: 29,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,073.69 : 51,161.69 = 21,157.80 : x
  2. Step 2: Convert to fraction form
    37,073.69/51,161.69 = 21,157.80/x
  3. Step 3: Cross multiply
    37,073.69x = 51,161.69 × 21,157.80
  4. Step 4: Simplify right side
    37,073.69x = 1,082,468,804.68
  5. Step 5: Solve for x
    x = 1,082,468,804.68/37,073.69
  6. Step 6: Final answer
    x = 29,197.76

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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.