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Finding the Fourth Proportional to 48,351.92, 66,724.56 and 26,840.39

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Solution

The fourth proportional to 48,351.92, 66,724.56 and 26,840.39 is: 37,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,351.92 : 66,724.56 = 26,840.39 : x
  2. Step 2: Convert to fraction form
    48,351.92/66,724.56 = 26,840.39/x
  3. Step 3: Cross multiply
    48,351.92x = 66,724.56 × 26,840.39
  4. Step 4: Simplify right side
    48,351.92x = 1,790,912,879.36
  5. Step 5: Solve for x
    x = 1,790,912,879.36/48,351.92
  6. Step 6: Final answer
    x = 37,039.13

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1.5x scale

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.