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Finding the Fourth Proportional to 69,758.62, 96,270.18 and 39,544.53

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Solution

The fourth proportional to 69,758.62, 96,270.18 and 39,544.53 is: 54,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,758.62 : 96,270.18 = 39,544.53 : x
  2. Step 2: Convert to fraction form
    69,758.62/96,270.18 = 39,544.53/x
  3. Step 3: Cross multiply
    69,758.62x = 96,270.18 × 39,544.53
  4. Step 4: Simplify right side
    69,758.62x = 3,806,958,539.76
  5. Step 5: Solve for x
    x = 3,806,958,539.76/69,758.62
  6. Step 6: Final answer
    x = 54,573.31

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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.