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Finding the Fourth Proportional to 19,928.01, 27,301.50 and 19,180.65

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Solution

The fourth proportional to 19,928.01, 27,301.50 and 19,180.65 is: 26,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.01 : 27,301.50 = 19,180.65 : x
  2. Step 2: Convert to fraction form
    19,928.01/27,301.50 = 19,180.65/x
  3. Step 3: Cross multiply
    19,928.01x = 27,301.50 × 19,180.65
  4. Step 4: Simplify right side
    19,928.01x = 523,660,515.98
  5. Step 5: Solve for x
    x = 523,660,515.98/19,928.01
  6. Step 6: Final answer
    x = 26,277.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.