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Finding the Fourth Proportional to 49,642.47, 68,507.02 and 26,981.47

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Solution

The fourth proportional to 49,642.47, 68,507.02 and 26,981.47 is: 37,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,642.47 : 68,507.02 = 26,981.47 : x
  2. Step 2: Convert to fraction form
    49,642.47/68,507.02 = 26,981.47/x
  3. Step 3: Cross multiply
    49,642.47x = 68,507.02 × 26,981.47
  4. Step 4: Simplify right side
    49,642.47x = 1,848,419,783.50
  5. Step 5: Solve for x
    x = 1,848,419,783.50/49,642.47
  6. Step 6: Final answer
    x = 37,234.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.