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Finding the Fourth Proportional to 51,992.67, 71,758.72 and 29,338.09

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Solution

The fourth proportional to 51,992.67, 71,758.72 and 29,338.09 is: 40,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,992.67 : 71,758.72 = 29,338.09 : x
  2. Step 2: Convert to fraction form
    51,992.67/71,758.72 = 29,338.09/x
  3. Step 3: Cross multiply
    51,992.67x = 71,758.72 × 29,338.09
  4. Step 4: Simplify right side
    51,992.67x = 2,105,263,280.16
  5. Step 5: Solve for x
    x = 2,105,263,280.16/51,992.67
  6. Step 6: Final answer
    x = 40,491.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.