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Finding the Fourth Proportional to 17,683.92, 26,512.92 and 15,104.88

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Solution

The fourth proportional to 17,683.92, 26,512.92 and 15,104.88 is: 22,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,683.92 : 26,512.92 = 15,104.88 : x
  2. Step 2: Convert to fraction form
    17,683.92/26,512.92 = 15,104.88/x
  3. Step 3: Cross multiply
    17,683.92x = 26,512.92 × 15,104.88
  4. Step 4: Simplify right side
    17,683.92x = 400,474,475.05
  5. Step 5: Solve for x
    x = 400,474,475.05/17,683.92
  6. Step 6: Final answer
    x = 22,646.25

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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.