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Finding the Fourth Proportional to 69,295.65, 95,636.75 and 39,082.65

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Solution

The fourth proportional to 69,295.65, 95,636.75 and 39,082.65 is: 53,938.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,295.65 : 95,636.75 = 39,082.65 : x
  2. Step 2: Convert to fraction form
    69,295.65/95,636.75 = 39,082.65/x
  3. Step 3: Cross multiply
    69,295.65x = 95,636.75 × 39,082.65
  4. Step 4: Simplify right side
    69,295.65x = 3,737,737,431.97
  5. Step 5: Solve for x
    x = 3,737,737,431.97/69,295.65
  6. Step 6: Final answer
    x = 53,938.99

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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.