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Finding the Fourth Proportional to 17,506.80, 26,260.20 and 10,940.40

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Solution

The fourth proportional to 17,506.80, 26,260.20 and 10,940.40 is: 16,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,506.80 : 26,260.20 = 10,940.40 : x
  2. Step 2: Convert to fraction form
    17,506.80/26,260.20 = 10,940.40/x
  3. Step 3: Cross multiply
    17,506.80x = 26,260.20 × 10,940.40
  4. Step 4: Simplify right side
    17,506.80x = 287,297,092.08
  5. Step 5: Solve for x
    x = 287,297,092.08/17,506.80
  6. Step 6: Final answer
    x = 16,410.60

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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.