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Finding the Fourth Proportional to 70,883.62, 106,231.86 and 33,392.36

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Solution

The fourth proportional to 70,883.62, 106,231.86 and 33,392.36 is: 50,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.62 : 106,231.86 = 33,392.36 : x
  2. Step 2: Convert to fraction form
    70,883.62/106,231.86 = 33,392.36/x
  3. Step 3: Cross multiply
    70,883.62x = 106,231.86 × 33,392.36
  4. Step 4: Simplify right side
    70,883.62x = 3,547,332,512.59
  5. Step 5: Solve for x
    x = 3,547,332,512.59/70,883.62
  6. Step 6: Final answer
    x = 50,044.46

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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.