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Finding the Fourth Proportional to 60,717.65, 83,790.72 and 33,861.86

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Solution

The fourth proportional to 60,717.65, 83,790.72 and 33,861.86 is: 46,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,717.65 : 83,790.72 = 33,861.86 : x
  2. Step 2: Convert to fraction form
    60,717.65/83,790.72 = 33,861.86/x
  3. Step 3: Cross multiply
    60,717.65x = 83,790.72 × 33,861.86
  4. Step 4: Simplify right side
    60,717.65x = 2,837,309,629.94
  5. Step 5: Solve for x
    x = 2,837,309,629.94/60,717.65
  6. Step 6: Final answer
    x = 46,729.57

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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.