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Finding the Fourth Proportional to 17,208.80, 25,793.04 and 7,955.36

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Solution

The fourth proportional to 17,208.80, 25,793.04 and 7,955.36 is: 11,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208.80 : 25,793.04 = 7,955.36 : x
  2. Step 2: Convert to fraction form
    17,208.80/25,793.04 = 7,955.36/x
  3. Step 3: Cross multiply
    17,208.80x = 25,793.04 × 7,955.36
  4. Step 4: Simplify right side
    17,208.80x = 205,192,918.69
  5. Step 5: Solve for x
    x = 205,192,918.69/17,208.80
  6. Step 6: Final answer
    x = 11,923.72

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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.