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Finding the Fourth Proportional to 14,704.44, 20,292.30 and 8,080.44

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Solution

The fourth proportional to 14,704.44, 20,292.30 and 8,080.44 is: 11,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.44 : 20,292.30 = 8,080.44 : x
  2. Step 2: Convert to fraction form
    14,704.44/20,292.30 = 8,080.44/x
  3. Step 3: Cross multiply
    14,704.44x = 20,292.30 × 8,080.44
  4. Step 4: Simplify right side
    14,704.44x = 163,970,712.61
  5. Step 5: Solve for x
    x = 163,970,712.61/14,704.44
  6. Step 6: Final answer
    x = 11,151.10

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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.