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Finding the Fourth Proportional to 69,968.70, 96,556.84 and 39,754.06

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Solution

The fourth proportional to 69,968.70, 96,556.84 and 39,754.06 is: 54,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,968.70 : 96,556.84 = 39,754.06 : x
  2. Step 2: Convert to fraction form
    69,968.70/96,556.84 = 39,754.06/x
  3. Step 3: Cross multiply
    69,968.70x = 96,556.84 × 39,754.06
  4. Step 4: Simplify right side
    69,968.70x = 3,838,526,623.78
  5. Step 5: Solve for x
    x = 3,838,526,623.78/69,968.70
  6. Step 6: Final answer
    x = 54,860.62

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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.