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Finding the Fourth Proportional to 16,828.84, 23,223.90 and 9,376.84

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Solution

The fourth proportional to 16,828.84, 23,223.90 and 9,376.84 is: 12,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.84 : 23,223.90 = 9,376.84 : x
  2. Step 2: Convert to fraction form
    16,828.84/23,223.90 = 9,376.84/x
  3. Step 3: Cross multiply
    16,828.84x = 23,223.90 × 9,376.84
  4. Step 4: Simplify right side
    16,828.84x = 217,766,794.48
  5. Step 5: Solve for x
    x = 217,766,794.48/16,828.84
  6. Step 6: Final answer
    x = 12,940.10

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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.