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Finding the Fourth Proportional to 49,345, 68,097.72 and 26,989

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Solution

The fourth proportional to 49,345, 68,097.72 and 26,989 is: 37,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,345 : 68,097.72 = 26,989 : x
  2. Step 2: Convert to fraction form
    49,345/68,097.72 = 26,989/x
  3. Step 3: Cross multiply
    49,345x = 68,097.72 × 26,989
  4. Step 4: Simplify right side
    49,345x = 1,837,889,365.08
  5. Step 5: Solve for x
    x = 1,837,889,365.08/49,345
  6. Step 6: Final answer
    x = 37,245.71

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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.