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Finding the Fourth Proportional to 48,672.78, 73,008.96 and 19,069.71

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Solution

The fourth proportional to 48,672.78, 73,008.96 and 19,069.71 is: 28,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672.78 : 73,008.96 = 19,069.71 : x
  2. Step 2: Convert to fraction form
    48,672.78/73,008.96 = 19,069.71/x
  3. Step 3: Cross multiply
    48,672.78x = 73,008.96 × 19,069.71
  4. Step 4: Simplify right side
    48,672.78x = 1,392,259,694.60
  5. Step 5: Solve for x
    x = 1,392,259,694.60/48,672.78
  6. Step 6: Final answer
    x = 28,604.48

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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.