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Finding the Fourth Proportional to 33,192.84, 49,789.80 and 13,485.84

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Solution

The fourth proportional to 33,192.84, 49,789.80 and 13,485.84 is: 20,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,192.84 : 49,789.80 = 13,485.84 : x
  2. Step 2: Convert to fraction form
    33,192.84/49,789.80 = 13,485.84/x
  3. Step 3: Cross multiply
    33,192.84x = 49,789.80 × 13,485.84
  4. Step 4: Simplify right side
    33,192.84x = 671,457,276.43
  5. Step 5: Solve for x
    x = 671,457,276.43/33,192.84
  6. Step 6: Final answer
    x = 20,228.98

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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.