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Finding the Fourth Proportional to 16,969.77, 25,454.79 and 6,971.94

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Solution

The fourth proportional to 16,969.77, 25,454.79 and 6,971.94 is: 10,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.77 : 25,454.79 = 6,971.94 : x
  2. Step 2: Convert to fraction form
    16,969.77/25,454.79 = 6,971.94/x
  3. Step 3: Cross multiply
    16,969.77x = 25,454.79 × 6,971.94
  4. Step 4: Simplify right side
    16,969.77x = 177,469,268.59
  5. Step 5: Solve for x
    x = 177,469,268.59/16,969.77
  6. Step 6: Final answer
    x = 10,457.97

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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.