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Finding the Fourth Proportional to 17,009.28, 25,520.76 and 8,243.28

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Solution

The fourth proportional to 17,009.28, 25,520.76 and 8,243.28 is: 12,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.28 : 25,520.76 = 8,243.28 : x
  2. Step 2: Convert to fraction form
    17,009.28/25,520.76 = 8,243.28/x
  3. Step 3: Cross multiply
    17,009.28x = 25,520.76 × 8,243.28
  4. Step 4: Simplify right side
    17,009.28x = 210,374,770.49
  5. Step 5: Solve for x
    x = 210,374,770.49/17,009.28
  6. Step 6: Final answer
    x = 12,368.23

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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.