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Finding the Fourth Proportional to 23,911.62, 32,969.86 and 16,361.61

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Solution

The fourth proportional to 23,911.62, 32,969.86 and 16,361.61 is: 22,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,911.62 : 32,969.86 = 16,361.61 : x
  2. Step 2: Convert to fraction form
    23,911.62/32,969.86 = 16,361.61/x
  3. Step 3: Cross multiply
    23,911.62x = 32,969.86 × 16,361.61
  4. Step 4: Simplify right side
    23,911.62x = 539,439,991.07
  5. Step 5: Solve for x
    x = 539,439,991.07/23,911.62
  6. Step 6: Final answer
    x = 22,559.74

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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.