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Finding the Fourth Proportional to 60,717.72, 83,790.94 and 33,861.96

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Solution

The fourth proportional to 60,717.72, 83,790.94 and 33,861.96 is: 46,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,717.72 : 83,790.94 = 33,861.96 : x
  2. Step 2: Convert to fraction form
    60,717.72/83,790.94 = 33,861.96/x
  3. Step 3: Cross multiply
    60,717.72x = 83,790.94 × 33,861.96
  4. Step 4: Simplify right side
    60,717.72x = 2,837,325,458.64
  5. Step 5: Solve for x
    x = 2,837,325,458.64/60,717.72
  6. Step 6: Final answer
    x = 46,729.78

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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.