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Finding the Fourth Proportional to 17,290.28, 25,911.11 and 9,883.64

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Solution

The fourth proportional to 17,290.28, 25,911.11 and 9,883.64 is: 14,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,290.28 : 25,911.11 = 9,883.64 : x
  2. Step 2: Convert to fraction form
    17,290.28/25,911.11 = 9,883.64/x
  3. Step 3: Cross multiply
    17,290.28x = 25,911.11 × 9,883.64
  4. Step 4: Simplify right side
    17,290.28x = 256,096,172.73
  5. Step 5: Solve for x
    x = 256,096,172.73/17,290.28
  6. Step 6: Final answer
    x = 14,811.57

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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.