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Finding the Fourth Proportional to 61,162.96, 91,740.96 and 16,786.48

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Solution

The fourth proportional to 61,162.96, 91,740.96 and 16,786.48 is: 25,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,162.96 : 91,740.96 = 16,786.48 : x
  2. Step 2: Convert to fraction form
    61,162.96/91,740.96 = 16,786.48/x
  3. Step 3: Cross multiply
    61,162.96x = 91,740.96 × 16,786.48
  4. Step 4: Simplify right side
    61,162.96x = 1,540,007,790.22
  5. Step 5: Solve for x
    x = 1,540,007,790.22/61,162.96
  6. Step 6: Final answer
    x = 25,178.76

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1.5x scale

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.