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Finding the Fourth Proportional to 16,920.76, 23,350.44 and 9,367.10

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Solution

The fourth proportional to 16,920.76, 23,350.44 and 9,367.10 is: 12,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.76 : 23,350.44 = 9,367.10 : x
  2. Step 2: Convert to fraction form
    16,920.76/23,350.44 = 9,367.10/x
  3. Step 3: Cross multiply
    16,920.76x = 23,350.44 × 9,367.10
  4. Step 4: Simplify right side
    16,920.76x = 218,725,906.52
  5. Step 5: Solve for x
    x = 218,725,906.52/16,920.76
  6. Step 6: Final answer
    x = 12,926.48

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Double scale
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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.