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Finding the Fourth Proportional to 17,348.29, 23,940.65 and 9,390.49

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Solution

The fourth proportional to 17,348.29, 23,940.65 and 9,390.49 is: 12,958.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,348.29 : 23,940.65 = 9,390.49 : x
  2. Step 2: Convert to fraction form
    17,348.29/23,940.65 = 9,390.49/x
  3. Step 3: Cross multiply
    17,348.29x = 23,940.65 × 9,390.49
  4. Step 4: Simplify right side
    17,348.29x = 224,814,387.47
  5. Step 5: Solve for x
    x = 224,814,387.47/17,348.29
  6. Step 6: Final answer
    x = 12,958.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.