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Finding the Fourth Proportional to 70,696.12, 106,044.20 and 33,228.68

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Solution

The fourth proportional to 70,696.12, 106,044.20 and 33,228.68 is: 49,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,696.12 : 106,044.20 = 33,228.68 : x
  2. Step 2: Convert to fraction form
    70,696.12/106,044.20 = 33,228.68/x
  3. Step 3: Cross multiply
    70,696.12x = 106,044.20 × 33,228.68
  4. Step 4: Simplify right side
    70,696.12x = 3,523,708,787.66
  5. Step 5: Solve for x
    x = 3,523,708,787.66/70,696.12
  6. Step 6: Final answer
    x = 49,843.03

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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.