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Finding the Fourth Proportional to 16,938.73, 23,373.09 and 9,383.19

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Solution

The fourth proportional to 16,938.73, 23,373.09 and 9,383.19 is: 12,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.73 : 23,373.09 = 9,383.19 : x
  2. Step 2: Convert to fraction form
    16,938.73/23,373.09 = 9,383.19/x
  3. Step 3: Cross multiply
    16,938.73x = 23,373.09 × 9,383.19
  4. Step 4: Simplify right side
    16,938.73x = 219,314,144.36
  5. Step 5: Solve for x
    x = 219,314,144.36/16,938.73
  6. Step 6: Final answer
    x = 12,947.50

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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.