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Finding the Fourth Proportional to 48,849.80, 73,274.70 and 19,251.52

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Solution

The fourth proportional to 48,849.80, 73,274.70 and 19,251.52 is: 28,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,849.80 : 73,274.70 = 19,251.52 : x
  2. Step 2: Convert to fraction form
    48,849.80/73,274.70 = 19,251.52/x
  3. Step 3: Cross multiply
    48,849.80x = 73,274.70 × 19,251.52
  4. Step 4: Simplify right side
    48,849.80x = 1,410,649,352.54
  5. Step 5: Solve for x
    x = 1,410,649,352.54/48,849.80
  6. Step 6: Final answer
    x = 28,877.28

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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.