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Finding the Fourth Proportional to 7,953.67, 11,930.51 and 2,759.59

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Solution

The fourth proportional to 7,953.67, 11,930.51 and 2,759.59 is: 4,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.67 : 11,930.51 = 2,759.59 : x
  2. Step 2: Convert to fraction form
    7,953.67/11,930.51 = 2,759.59/x
  3. Step 3: Cross multiply
    7,953.67x = 11,930.51 × 2,759.59
  4. Step 4: Simplify right side
    7,953.67x = 32,923,316.09
  5. Step 5: Solve for x
    x = 32,923,316.09/7,953.67
  6. Step 6: Final answer
    x = 4,139.39

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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.