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Finding the Fourth Proportional to 33,271.50, 45,914.70 and 18,367.50

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Solution

The fourth proportional to 33,271.50, 45,914.70 and 18,367.50 is: 25,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,271.50 : 45,914.70 = 18,367.50 : x
  2. Step 2: Convert to fraction form
    33,271.50/45,914.70 = 18,367.50/x
  3. Step 3: Cross multiply
    33,271.50x = 45,914.70 × 18,367.50
  4. Step 4: Simplify right side
    33,271.50x = 843,338,252.25
  5. Step 5: Solve for x
    x = 843,338,252.25/33,271.50
  6. Step 6: Final answer
    x = 25,347.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.