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Finding the Fourth Proportional to 17,356.70, 23,940.86 and 12,259.70

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Solution

The fourth proportional to 17,356.70, 23,940.86 and 12,259.70 is: 16,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,356.70 : 23,940.86 = 12,259.70 : x
  2. Step 2: Convert to fraction form
    17,356.70/23,940.86 = 12,259.70/x
  3. Step 3: Cross multiply
    17,356.70x = 23,940.86 × 12,259.70
  4. Step 4: Simplify right side
    17,356.70x = 293,507,761.34
  5. Step 5: Solve for x
    x = 293,507,761.34/17,356.70
  6. Step 6: Final answer
    x = 16,910.34

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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.