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Finding the Fourth Proportional to 16,628.85, 22,946.31 and 9,553.89

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Solution

The fourth proportional to 16,628.85, 22,946.31 and 9,553.89 is: 13,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.85 : 22,946.31 = 9,553.89 : x
  2. Step 2: Convert to fraction form
    16,628.85/22,946.31 = 9,553.89/x
  3. Step 3: Cross multiply
    16,628.85x = 22,946.31 × 9,553.89
  4. Step 4: Simplify right side
    16,628.85x = 219,226,521.65
  5. Step 5: Solve for x
    x = 219,226,521.65/16,628.85
  6. Step 6: Final answer
    x = 13,183.50

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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.