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Finding the Fourth Proportional to 48,608.80, 66,945.36 and 37,411.36

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Solution

The fourth proportional to 48,608.80, 66,945.36 and 37,411.36 is: 51,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,608.80 : 66,945.36 = 37,411.36 : x
  2. Step 2: Convert to fraction form
    48,608.80/66,945.36 = 37,411.36/x
  3. Step 3: Cross multiply
    48,608.80x = 66,945.36 × 37,411.36
  4. Step 4: Simplify right side
    48,608.80x = 2,504,516,963.29
  5. Step 5: Solve for x
    x = 2,504,516,963.29/48,608.80
  6. Step 6: Final answer
    x = 51,523.94

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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.