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Finding the Fourth Proportional to 45,703.97, 68,556.17 and 11,969.92

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Solution

The fourth proportional to 45,703.97, 68,556.17 and 11,969.92 is: 17,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,703.97 : 68,556.17 = 11,969.92 : x
  2. Step 2: Convert to fraction form
    45,703.97/68,556.17 = 11,969.92/x
  3. Step 3: Cross multiply
    45,703.97x = 68,556.17 × 11,969.92
  4. Step 4: Simplify right side
    45,703.97x = 820,611,793.21
  5. Step 5: Solve for x
    x = 820,611,793.21/45,703.97
  6. Step 6: Final answer
    x = 17,954.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.