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Finding the Fourth Proportional to 37,589.51, 51,872.90 and 20,593.59

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Solution

The fourth proportional to 37,589.51, 51,872.90 and 20,593.59 is: 28,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,589.51 : 51,872.90 = 20,593.59 : x
  2. Step 2: Convert to fraction form
    37,589.51/51,872.90 = 20,593.59/x
  3. Step 3: Cross multiply
    37,589.51x = 51,872.90 × 20,593.59
  4. Step 4: Simplify right side
    37,589.51x = 1,068,249,131.74
  5. Step 5: Solve for x
    x = 1,068,249,131.74/37,589.51
  6. Step 6: Final answer
    x = 28,418.81

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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.