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Finding the Fourth Proportional to 17,736.40, 26,604.60 and 9,863.20

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Solution

The fourth proportional to 17,736.40, 26,604.60 and 9,863.20 is: 14,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,736.40 : 26,604.60 = 9,863.20 : x
  2. Step 2: Convert to fraction form
    17,736.40/26,604.60 = 9,863.20/x
  3. Step 3: Cross multiply
    17,736.40x = 26,604.60 × 9,863.20
  4. Step 4: Simplify right side
    17,736.40x = 262,406,490.72
  5. Step 5: Solve for x
    x = 262,406,490.72/17,736.40
  6. Step 6: Final answer
    x = 14,794.80

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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.