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Finding the Fourth Proportional to 60,651.56, 90,974.22 and 23,208.75

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Solution

The fourth proportional to 60,651.56, 90,974.22 and 23,208.75 is: 34,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,651.56 : 90,974.22 = 23,208.75 : x
  2. Step 2: Convert to fraction form
    60,651.56/90,974.22 = 23,208.75/x
  3. Step 3: Cross multiply
    60,651.56x = 90,974.22 × 23,208.75
  4. Step 4: Simplify right side
    60,651.56x = 2,111,397,928.43
  5. Step 5: Solve for x
    x = 2,111,397,928.43/60,651.56
  6. Step 6: Final answer
    x = 34,811.93

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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.