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Finding the Fourth Proportional to 54,886.64, 75,769.70 and 36,768.56

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Solution

The fourth proportional to 54,886.64, 75,769.70 and 36,768.56 is: 50,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,886.64 : 75,769.70 = 36,768.56 : x
  2. Step 2: Convert to fraction form
    54,886.64/75,769.70 = 36,768.56/x
  3. Step 3: Cross multiply
    54,886.64x = 75,769.70 × 36,768.56
  4. Step 4: Simplify right side
    54,886.64x = 2,785,942,760.63
  5. Step 5: Solve for x
    x = 2,785,942,760.63/54,886.64
  6. Step 6: Final answer
    x = 50,758.12

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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.