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Finding the Fourth Proportional to 27,296.96, 40,945.95 and 8,576.65

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Solution

The fourth proportional to 27,296.96, 40,945.95 and 8,576.65 is: 12,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,296.96 : 40,945.95 = 8,576.65 : x
  2. Step 2: Convert to fraction form
    27,296.96/40,945.95 = 8,576.65/x
  3. Step 3: Cross multiply
    27,296.96x = 40,945.95 × 8,576.65
  4. Step 4: Simplify right side
    27,296.96x = 351,179,082.07
  5. Step 5: Solve for x
    x = 351,179,082.07/27,296.96
  6. Step 6: Final answer
    x = 12,865.14

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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.