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Finding the Fourth Proportional to 69,393.90, 104,016.30 and 29,969.58

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Solution

The fourth proportional to 69,393.90, 104,016.30 and 29,969.58 is: 44,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,393.90 : 104,016.30 = 29,969.58 : x
  2. Step 2: Convert to fraction form
    69,393.90/104,016.30 = 29,969.58/x
  3. Step 3: Cross multiply
    69,393.90x = 104,016.30 × 29,969.58
  4. Step 4: Simplify right side
    69,393.90x = 3,117,324,824.15
  5. Step 5: Solve for x
    x = 3,117,324,824.15/69,393.90
  6. Step 6: Final answer
    x = 44,922.17

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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.