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Finding the Fourth Proportional to 16,630.30, 22,949.84 and 9,076.64

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Solution

The fourth proportional to 16,630.30, 22,949.84 and 9,076.64 is: 12,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,630.30 : 22,949.84 = 9,076.64 : x
  2. Step 2: Convert to fraction form
    16,630.30/22,949.84 = 9,076.64/x
  3. Step 3: Cross multiply
    16,630.30x = 22,949.84 × 9,076.64
  4. Step 4: Simplify right side
    16,630.30x = 208,307,390.35
  5. Step 5: Solve for x
    x = 208,307,390.35/16,630.30
  6. Step 6: Final answer
    x = 12,525.78

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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.