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Finding the Fourth Proportional to 27,480.99, 37,923.76 and 15,544.07

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Solution

The fourth proportional to 27,480.99, 37,923.76 and 15,544.07 is: 21,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.99 : 37,923.76 = 15,544.07 : x
  2. Step 2: Convert to fraction form
    27,480.99/37,923.76 = 15,544.07/x
  3. Step 3: Cross multiply
    27,480.99x = 37,923.76 × 15,544.07
  4. Step 4: Simplify right side
    27,480.99x = 589,489,351.62
  5. Step 5: Solve for x
    x = 589,489,351.62/27,480.99
  6. Step 6: Final answer
    x = 21,450.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.