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Finding the Fourth Proportional to 17,353.44, 23,936.98 and 12,811.48

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Solution

The fourth proportional to 17,353.44, 23,936.98 and 12,811.48 is: 17,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,353.44 : 23,936.98 = 12,811.48 : x
  2. Step 2: Convert to fraction form
    17,353.44/23,936.98 = 12,811.48/x
  3. Step 3: Cross multiply
    17,353.44x = 23,936.98 × 12,811.48
  4. Step 4: Simplify right side
    17,353.44x = 306,668,140.53
  5. Step 5: Solve for x
    x = 306,668,140.53/17,353.44
  6. Step 6: Final answer
    x = 17,671.89

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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.