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Finding the Fourth Proportional to 34,195.20, 51,292.80 and 18,448.80

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Solution

The fourth proportional to 34,195.20, 51,292.80 and 18,448.80 is: 27,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,195.20 : 51,292.80 = 18,448.80 : x
  2. Step 2: Convert to fraction form
    34,195.20/51,292.80 = 18,448.80/x
  3. Step 3: Cross multiply
    34,195.20x = 51,292.80 × 18,448.80
  4. Step 4: Simplify right side
    34,195.20x = 946,290,608.64
  5. Step 5: Solve for x
    x = 946,290,608.64/34,195.20
  6. Step 6: Final answer
    x = 27,673.20

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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.