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Finding the Fourth Proportional to 60,568.56, 90,867.36 and 19,015.56

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Solution

The fourth proportional to 60,568.56, 90,867.36 and 19,015.56 is: 28,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,568.56 : 90,867.36 = 19,015.56 : x
  2. Step 2: Convert to fraction form
    60,568.56/90,867.36 = 19,015.56/x
  3. Step 3: Cross multiply
    60,568.56x = 90,867.36 × 19,015.56
  4. Step 4: Simplify right side
    60,568.56x = 1,727,893,736.12
  5. Step 5: Solve for x
    x = 1,727,893,736.12/60,568.56
  6. Step 6: Final answer
    x = 28,527.90

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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.