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Finding the Fourth Proportional to 17,283.56, 25,939.18 and 7,927.99

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Solution

The fourth proportional to 17,283.56, 25,939.18 and 7,927.99 is: 11,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,283.56 : 25,939.18 = 7,927.99 : x
  2. Step 2: Convert to fraction form
    17,283.56/25,939.18 = 7,927.99/x
  3. Step 3: Cross multiply
    17,283.56x = 25,939.18 × 7,927.99
  4. Step 4: Simplify right side
    17,283.56x = 205,645,559.65
  5. Step 5: Solve for x
    x = 205,645,559.65/17,283.56
  6. Step 6: Final answer
    x = 11,898.33

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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.