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Finding the Fourth Proportional to 7,953.72, 11,930.58 and 2,406.94

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Solution

The fourth proportional to 7,953.72, 11,930.58 and 2,406.94 is: 3,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.72 : 11,930.58 = 2,406.94 : x
  2. Step 2: Convert to fraction form
    7,953.72/11,930.58 = 2,406.94/x
  3. Step 3: Cross multiply
    7,953.72x = 11,930.58 × 2,406.94
  4. Step 4: Simplify right side
    7,953.72x = 28,716,190.23
  5. Step 5: Solve for x
    x = 28,716,190.23/7,953.72
  6. Step 6: Final answer
    x = 3,610.41

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Similar ratio
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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.