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Finding the Fourth Proportional to 16,693.69, 25,040.54 and 6,828.97

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Solution

The fourth proportional to 16,693.69, 25,040.54 and 6,828.97 is: 10,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.69 : 25,040.54 = 6,828.97 : x
  2. Step 2: Convert to fraction form
    16,693.69/25,040.54 = 6,828.97/x
  3. Step 3: Cross multiply
    16,693.69x = 25,040.54 × 6,828.97
  4. Step 4: Simplify right side
    16,693.69x = 171,001,062.30
  5. Step 5: Solve for x
    x = 171,001,062.30/16,693.69
  6. Step 6: Final answer
    x = 10,243.46

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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.