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Finding the Fourth Proportional to 22,478.85, 33,692.02 and 16,914.31

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Solution

The fourth proportional to 22,478.85, 33,692.02 and 16,914.31 is: 25,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478.85 : 33,692.02 = 16,914.31 : x
  2. Step 2: Convert to fraction form
    22,478.85/33,692.02 = 16,914.31/x
  3. Step 3: Cross multiply
    22,478.85x = 33,692.02 × 16,914.31
  4. Step 4: Simplify right side
    22,478.85x = 569,877,144.29
  5. Step 5: Solve for x
    x = 569,877,144.29/22,478.85
  6. Step 6: Final answer
    x = 25,351.70

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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.