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Finding the Fourth Proportional to 63,076.56, 87,013.08 and 39,194.16

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Solution

The fourth proportional to 63,076.56, 87,013.08 and 39,194.16 is: 54,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,076.56 : 87,013.08 = 39,194.16 : x
  2. Step 2: Convert to fraction form
    63,076.56/87,013.08 = 39,194.16/x
  3. Step 3: Cross multiply
    63,076.56x = 87,013.08 × 39,194.16
  4. Step 4: Simplify right side
    63,076.56x = 3,410,404,579.61
  5. Step 5: Solve for x
    x = 3,410,404,579.61/63,076.56
  6. Step 6: Final answer
    x = 54,067.70

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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.