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Finding the Fourth Proportional to 69,758.80, 96,270.44 and 39,544.71

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Solution

The fourth proportional to 69,758.80, 96,270.44 and 39,544.71 is: 54,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,758.80 : 96,270.44 = 39,544.71 : x
  2. Step 2: Convert to fraction form
    69,758.80/96,270.44 = 39,544.71/x
  3. Step 3: Cross multiply
    69,758.80x = 96,270.44 × 39,544.71
  4. Step 4: Simplify right side
    69,758.80x = 3,806,986,532.51
  5. Step 5: Solve for x
    x = 3,806,986,532.51/69,758.80
  6. Step 6: Final answer
    x = 54,573.56

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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.