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Finding the Fourth Proportional to 84,334.80, 126,502.20 and 22,005.30

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Solution

The fourth proportional to 84,334.80, 126,502.20 and 22,005.30 is: 33,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,334.80 : 126,502.20 = 22,005.30 : x
  2. Step 2: Convert to fraction form
    84,334.80/126,502.20 = 22,005.30/x
  3. Step 3: Cross multiply
    84,334.80x = 126,502.20 × 22,005.30
  4. Step 4: Simplify right side
    84,334.80x = 2,783,718,861.66
  5. Step 5: Solve for x
    x = 2,783,718,861.66/84,334.80
  6. Step 6: Final answer
    x = 33,007.95

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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.