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Finding the Fourth Proportional to 60,604.94, 90,912.67 and 18,494.51

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Solution

The fourth proportional to 60,604.94, 90,912.67 and 18,494.51 is: 27,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,604.94 : 90,912.67 = 18,494.51 : x
  2. Step 2: Convert to fraction form
    60,604.94/90,912.67 = 18,494.51/x
  3. Step 3: Cross multiply
    60,604.94x = 90,912.67 × 18,494.51
  4. Step 4: Simplify right side
    60,604.94x = 1,681,384,783.64
  5. Step 5: Solve for x
    x = 1,681,384,783.64/60,604.94
  6. Step 6: Final answer
    x = 27,743.36

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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.