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Finding the Fourth Proportional to 37,555, 51,826.98 and 20,789.08

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Solution

The fourth proportional to 37,555, 51,826.98 and 20,789.08 is: 28,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,555 : 51,826.98 = 20,789.08 : x
  2. Step 2: Convert to fraction form
    37,555/51,826.98 = 20,789.08/x
  3. Step 3: Cross multiply
    37,555x = 51,826.98 × 20,789.08
  4. Step 4: Simplify right side
    37,555x = 1,077,435,233.38
  5. Step 5: Solve for x
    x = 1,077,435,233.38/37,555
  6. Step 6: Final answer
    x = 28,689.53

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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.