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Finding the Fourth Proportional to 40,651.64, 60,942.41 and 15,709.19

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Solution

The fourth proportional to 40,651.64, 60,942.41 and 15,709.19 is: 23,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,651.64 : 60,942.41 = 15,709.19 : x
  2. Step 2: Convert to fraction form
    40,651.64/60,942.41 = 15,709.19/x
  3. Step 3: Cross multiply
    40,651.64x = 60,942.41 × 15,709.19
  4. Step 4: Simplify right side
    40,651.64x = 957,355,632.31
  5. Step 5: Solve for x
    x = 957,355,632.31/40,651.64
  6. Step 6: Final answer
    x = 23,550.24

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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.