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Finding the Fourth Proportional to 84,493.61, 126,694.95 and 33,867.23

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Solution

The fourth proportional to 84,493.61, 126,694.95 and 33,867.23 is: 50,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,493.61 : 126,694.95 = 33,867.23 : x
  2. Step 2: Convert to fraction form
    84,493.61/126,694.95 = 33,867.23/x
  3. Step 3: Cross multiply
    84,493.61x = 126,694.95 × 33,867.23
  4. Step 4: Simplify right side
    84,493.61x = 4,290,806,441.51
  5. Step 5: Solve for x
    x = 4,290,806,441.51/84,493.61
  6. Step 6: Final answer
    x = 50,782.62

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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.