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Finding the Fourth Proportional to 60,735.64, 90,975.48 and 38,537.32

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Solution

The fourth proportional to 60,735.64, 90,975.48 and 38,537.32 is: 57,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,735.64 : 90,975.48 = 38,537.32 : x
  2. Step 2: Convert to fraction form
    60,735.64/90,975.48 = 38,537.32/x
  3. Step 3: Cross multiply
    60,735.64x = 90,975.48 × 38,537.32
  4. Step 4: Simplify right side
    60,735.64x = 3,505,951,184.91
  5. Step 5: Solve for x
    x = 3,505,951,184.91/60,735.64
  6. Step 6: Final answer
    x = 57,724.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.