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Finding the Fourth Proportional to 17,289.72, 25,910.28 and 9,883.08

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Solution

The fourth proportional to 17,289.72, 25,910.28 and 9,883.08 is: 14,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,289.72 : 25,910.28 = 9,883.08 : x
  2. Step 2: Convert to fraction form
    17,289.72/25,910.28 = 9,883.08/x
  3. Step 3: Cross multiply
    17,289.72x = 25,910.28 × 9,883.08
  4. Step 4: Simplify right side
    17,289.72x = 256,073,370.06
  5. Step 5: Solve for x
    x = 256,073,370.06/17,289.72
  6. Step 6: Final answer
    x = 14,810.73

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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.