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Finding the Fourth Proportional to 51,273.76, 76,923.02 and 19,253.09

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Solution

The fourth proportional to 51,273.76, 76,923.02 and 19,253.09 is: 28,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,273.76 : 76,923.02 = 19,253.09 : x
  2. Step 2: Convert to fraction form
    51,273.76/76,923.02 = 19,253.09/x
  3. Step 3: Cross multiply
    51,273.76x = 76,923.02 × 19,253.09
  4. Step 4: Simplify right side
    51,273.76x = 1,481,005,959.27
  5. Step 5: Solve for x
    x = 1,481,005,959.27/51,273.76
  6. Step 6: Final answer
    x = 28,884.29

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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.