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Finding the Fourth Proportional to 73,529.88, 110,296.15 and 20,940.73

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Solution

The fourth proportional to 73,529.88, 110,296.15 and 20,940.73 is: 31,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,529.88 : 110,296.15 = 20,940.73 : x
  2. Step 2: Convert to fraction form
    73,529.88/110,296.15 = 20,940.73/x
  3. Step 3: Cross multiply
    73,529.88x = 110,296.15 × 20,940.73
  4. Step 4: Simplify right side
    73,529.88x = 2,309,681,569.10
  5. Step 5: Solve for x
    x = 2,309,681,569.10/73,529.88
  6. Step 6: Final answer
    x = 31,411.47

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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.