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Finding the Fourth Proportional to 16,939.79, 25,409.70 and 7,073.69

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Solution

The fourth proportional to 16,939.79, 25,409.70 and 7,073.69 is: 10,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.79 : 25,409.70 = 7,073.69 : x
  2. Step 2: Convert to fraction form
    16,939.79/25,409.70 = 7,073.69/x
  3. Step 3: Cross multiply
    16,939.79x = 25,409.70 × 7,073.69
  4. Step 4: Simplify right side
    16,939.79x = 179,740,340.79
  5. Step 5: Solve for x
    x = 179,740,340.79/16,939.79
  6. Step 6: Final answer
    x = 10,610.54

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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.