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Finding the Fourth Proportional to 33,385, 50,038.59 and 18,586.84

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Solution

The fourth proportional to 33,385, 50,038.59 and 18,586.84 is: 27,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,385 : 50,038.59 = 18,586.84 : x
  2. Step 2: Convert to fraction form
    33,385/50,038.59 = 18,586.84/x
  3. Step 3: Cross multiply
    33,385x = 50,038.59 × 18,586.84
  4. Step 4: Simplify right side
    33,385x = 930,059,266.16
  5. Step 5: Solve for x
    x = 930,059,266.16/33,385
  6. Step 6: Final answer
    x = 27,858.60

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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.