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Finding the Fourth Proportional to 54,878.64, 75,758.70 and 36,760.56

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Solution

The fourth proportional to 54,878.64, 75,758.70 and 36,760.56 is: 50,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,878.64 : 75,758.70 = 36,760.56 : x
  2. Step 2: Convert to fraction form
    54,878.64/75,758.70 = 36,760.56/x
  3. Step 3: Cross multiply
    54,878.64x = 75,758.70 × 36,760.56
  4. Step 4: Simplify right side
    54,878.64x = 2,784,932,236.87
  5. Step 5: Solve for x
    x = 2,784,932,236.87/54,878.64
  6. Step 6: Final answer
    x = 50,747.11

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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.