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Finding the Fourth Proportional to 17,078.10, 25,617.15 and 14,891.10

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Solution

The fourth proportional to 17,078.10, 25,617.15 and 14,891.10 is: 22,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.10 : 25,617.15 = 14,891.10 : x
  2. Step 2: Convert to fraction form
    17,078.10/25,617.15 = 14,891.10/x
  3. Step 3: Cross multiply
    17,078.10x = 25,617.15 × 14,891.10
  4. Step 4: Simplify right side
    17,078.10x = 381,467,542.37
  5. Step 5: Solve for x
    x = 381,467,542.37/17,078.10
  6. Step 6: Final answer
    x = 22,336.65

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Double scale
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Similar ratio
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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.