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Finding the Fourth Proportional to 16,000.92, 22,080.06 and 8,926.92

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Solution

The fourth proportional to 16,000.92, 22,080.06 and 8,926.92 is: 12,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,000.92 : 22,080.06 = 8,926.92 : x
  2. Step 2: Convert to fraction form
    16,000.92/22,080.06 = 8,926.92/x
  3. Step 3: Cross multiply
    16,000.92x = 22,080.06 × 8,926.92
  4. Step 4: Simplify right side
    16,000.92x = 197,106,929.22
  5. Step 5: Solve for x
    x = 197,106,929.22/16,000.92
  6. Step 6: Final answer
    x = 12,318.47

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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.