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Finding the Fourth Proportional to 49,215, 67,917.06 and 26,859

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Solution

The fourth proportional to 49,215, 67,917.06 and 26,859 is: 37,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,215 : 67,917.06 = 26,859 : x
  2. Step 2: Convert to fraction form
    49,215/67,917.06 = 26,859/x
  3. Step 3: Cross multiply
    49,215x = 67,917.06 × 26,859
  4. Step 4: Simplify right side
    49,215x = 1,824,184,314.54
  5. Step 5: Solve for x
    x = 1,824,184,314.54/49,215
  6. Step 6: Final answer
    x = 37,065.62

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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.