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Finding the Fourth Proportional to 40,509.94, 60,764.73 and 10,930.72

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Solution

The fourth proportional to 40,509.94, 60,764.73 and 10,930.72 is: 16,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,509.94 : 60,764.73 = 10,930.72 : x
  2. Step 2: Convert to fraction form
    40,509.94/60,764.73 = 10,930.72/x
  3. Step 3: Cross multiply
    40,509.94x = 60,764.73 × 10,930.72
  4. Step 4: Simplify right side
    40,509.94x = 664,202,056.60
  5. Step 5: Solve for x
    x = 664,202,056.60/40,509.94
  6. Step 6: Final answer
    x = 16,396.03

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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.