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Finding the Fourth Proportional to 12,054.44, 16,623.44 and 9,400.88

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Solution

The fourth proportional to 12,054.44, 16,623.44 and 9,400.88 is: 12,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.44 : 16,623.44 = 9,400.88 : x
  2. Step 2: Convert to fraction form
    12,054.44/16,623.44 = 9,400.88/x
  3. Step 3: Cross multiply
    12,054.44x = 16,623.44 × 9,400.88
  4. Step 4: Simplify right side
    12,054.44x = 156,274,964.63
  5. Step 5: Solve for x
    x = 156,274,964.63/12,054.44
  6. Step 6: Final answer
    x = 12,964.10

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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.