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Finding the Fourth Proportional to 16,841.20, 25,261.80 and 10,936.30

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Solution

The fourth proportional to 16,841.20, 25,261.80 and 10,936.30 is: 16,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,841.20 : 25,261.80 = 10,936.30 : x
  2. Step 2: Convert to fraction form
    16,841.20/25,261.80 = 10,936.30/x
  3. Step 3: Cross multiply
    16,841.20x = 25,261.80 × 10,936.30
  4. Step 4: Simplify right side
    16,841.20x = 276,270,623.34
  5. Step 5: Solve for x
    x = 276,270,623.34/16,841.20
  6. Step 6: Final answer
    x = 16,404.45

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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.