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Finding the Fourth Proportional to 37,572.52, 51,851.84 and 20,805.88

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Solution

The fourth proportional to 37,572.52, 51,851.84 and 20,805.88 is: 28,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,572.52 : 51,851.84 = 20,805.88 : x
  2. Step 2: Convert to fraction form
    37,572.52/51,851.84 = 20,805.88/x
  3. Step 3: Cross multiply
    37,572.52x = 51,851.84 × 20,805.88
  4. Step 4: Simplify right side
    37,572.52x = 1,078,823,160.82
  5. Step 5: Solve for x
    x = 1,078,823,160.82/37,572.52
  6. Step 6: Final answer
    x = 28,713.09

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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.