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Finding the Fourth Proportional to 69,436.33, 95,828.04 and 39,227.20

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Solution

The fourth proportional to 69,436.33, 95,828.04 and 39,227.20 is: 54,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,436.33 : 95,828.04 = 39,227.20 : x
  2. Step 2: Convert to fraction form
    69,436.33/95,828.04 = 39,227.20/x
  3. Step 3: Cross multiply
    69,436.33x = 95,828.04 × 39,227.20
  4. Step 4: Simplify right side
    69,436.33x = 3,759,065,135.20
  5. Step 5: Solve for x
    x = 3,759,065,135.20/69,436.33
  6. Step 6: Final answer
    x = 54,136.86

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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.