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Finding the Fourth Proportional to 17,361.67, 23,958.65 and 9,808.78

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Solution

The fourth proportional to 17,361.67, 23,958.65 and 9,808.78 is: 13,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.67 : 23,958.65 = 9,808.78 : x
  2. Step 2: Convert to fraction form
    17,361.67/23,958.65 = 9,808.78/x
  3. Step 3: Cross multiply
    17,361.67x = 23,958.65 × 9,808.78
  4. Step 4: Simplify right side
    17,361.67x = 235,005,126.95
  5. Step 5: Solve for x
    x = 235,005,126.95/17,361.67
  6. Step 6: Final answer
    x = 13,535.86

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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.