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Finding the Fourth Proportional to 69,968.62, 96,559.31 and 39,759.07

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Solution

The fourth proportional to 69,968.62, 96,559.31 and 39,759.07 is: 54,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,968.62 : 96,559.31 = 39,759.07 : x
  2. Step 2: Convert to fraction form
    69,968.62/96,559.31 = 39,759.07/x
  3. Step 3: Cross multiply
    69,968.62x = 96,559.31 × 39,759.07
  4. Step 4: Simplify right side
    69,968.62x = 3,839,108,365.44
  5. Step 5: Solve for x
    x = 3,839,108,365.44/69,968.62
  6. Step 6: Final answer
    x = 54,869.00

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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.