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Finding the Fourth Proportional to 60,717.56, 83,813.32 and 45,653.97

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Solution

The fourth proportional to 60,717.56, 83,813.32 and 45,653.97 is: 63,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,717.56 : 83,813.32 = 45,653.97 : x
  2. Step 2: Convert to fraction form
    60,717.56/83,813.32 = 45,653.97/x
  3. Step 3: Cross multiply
    60,717.56x = 83,813.32 × 45,653.97
  4. Step 4: Simplify right side
    60,717.56x = 3,826,410,796.88
  5. Step 5: Solve for x
    x = 3,826,410,796.88/60,717.56
  6. Step 6: Final answer
    x = 63,019.84

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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.