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Finding the Fourth Proportional to 16,638.75, 22,961.41 and 9,084.99

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Solution

The fourth proportional to 16,638.75, 22,961.41 and 9,084.99 is: 12,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.75 : 22,961.41 = 9,084.99 : x
  2. Step 2: Convert to fraction form
    16,638.75/22,961.41 = 9,084.99/x
  3. Step 3: Cross multiply
    16,638.75x = 22,961.41 × 9,084.99
  4. Step 4: Simplify right side
    16,638.75x = 208,604,180.24
  5. Step 5: Solve for x
    x = 208,604,180.24/16,638.75
  6. Step 6: Final answer
    x = 12,537.25

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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.