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Finding the Fourth Proportional to 17,331.86, 23,917.95 and 9,374.07

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Solution

The fourth proportional to 17,331.86, 23,917.95 and 9,374.07 is: 12,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,331.86 : 23,917.95 = 9,374.07 : x
  2. Step 2: Convert to fraction form
    17,331.86/23,917.95 = 9,374.07/x
  3. Step 3: Cross multiply
    17,331.86x = 23,917.95 × 9,374.07
  4. Step 4: Simplify right side
    17,331.86x = 224,208,537.56
  5. Step 5: Solve for x
    x = 224,208,537.56/17,331.86
  6. Step 6: Final answer
    x = 12,936.21

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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.