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Finding the Fourth Proportional to 12,044.43, 16,622.01 and 6,739.20

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Solution

The fourth proportional to 12,044.43, 16,622.01 and 6,739.20 is: 9,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.43 : 16,622.01 = 6,739.20 : x
  2. Step 2: Convert to fraction form
    12,044.43/16,622.01 = 6,739.20/x
  3. Step 3: Cross multiply
    12,044.43x = 16,622.01 × 6,739.20
  4. Step 4: Simplify right side
    12,044.43x = 112,019,049.79
  5. Step 5: Solve for x
    x = 112,019,049.79/12,044.43
  6. Step 6: Final answer
    x = 9,300.49

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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.