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Finding the Fourth Proportional to 37,606.95, 51,898.64 and 20,839.95

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Solution

The fourth proportional to 37,606.95, 51,898.64 and 20,839.95 is: 28,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,606.95 : 51,898.64 = 20,839.95 : x
  2. Step 2: Convert to fraction form
    37,606.95/51,898.64 = 20,839.95/x
  3. Step 3: Cross multiply
    37,606.95x = 51,898.64 × 20,839.95
  4. Step 4: Simplify right side
    37,606.95x = 1,081,564,958.47
  5. Step 5: Solve for x
    x = 1,081,564,958.47/37,606.95
  6. Step 6: Final answer
    x = 28,759.71

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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.