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Finding the Fourth Proportional to 17,630.43, 26,393.70 and 15,443.43

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Solution

The fourth proportional to 17,630.43, 26,393.70 and 15,443.43 is: 23,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630.43 : 26,393.70 = 15,443.43 : x
  2. Step 2: Convert to fraction form
    17,630.43/26,393.70 = 15,443.43/x
  3. Step 3: Cross multiply
    17,630.43x = 26,393.70 × 15,443.43
  4. Step 4: Simplify right side
    17,630.43x = 407,609,258.39
  5. Step 5: Solve for x
    x = 407,609,258.39/17,630.43
  6. Step 6: Final answer
    x = 23,119.64

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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.