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Finding the Fourth Proportional to 14,906.73, 20,569.95 and 8,192.28

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Solution

The fourth proportional to 14,906.73, 20,569.95 and 8,192.28 is: 11,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.73 : 20,569.95 = 8,192.28 : x
  2. Step 2: Convert to fraction form
    14,906.73/20,569.95 = 8,192.28/x
  3. Step 3: Cross multiply
    14,906.73x = 20,569.95 × 8,192.28
  4. Step 4: Simplify right side
    14,906.73x = 168,514,789.99
  5. Step 5: Solve for x
    x = 168,514,789.99/14,906.73
  6. Step 6: Final answer
    x = 11,304.61

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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.