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Finding the Fourth Proportional to 16,692.25, 25,042.65 and 11,771.50

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Solution

The fourth proportional to 16,692.25, 25,042.65 and 11,771.50 is: 17,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.25 : 25,042.65 = 11,771.50 : x
  2. Step 2: Convert to fraction form
    16,692.25/25,042.65 = 11,771.50/x
  3. Step 3: Cross multiply
    16,692.25x = 25,042.65 × 11,771.50
  4. Step 4: Simplify right side
    16,692.25x = 294,789,554.48
  5. Step 5: Solve for x
    x = 294,789,554.48/16,692.25
  6. Step 6: Final answer
    x = 17,660.26

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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.