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Finding the Fourth Proportional to 16,879.23, 23,226 and 16,365.63

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Solution

The fourth proportional to 16,879.23, 23,226 and 16,365.63 is: 22,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.23 : 23,226 = 16,365.63 : x
  2. Step 2: Convert to fraction form
    16,879.23/23,226 = 16,365.63/x
  3. Step 3: Cross multiply
    16,879.23x = 23,226 × 16,365.63
  4. Step 4: Simplify right side
    16,879.23x = 380,108,035.28
  5. Step 5: Solve for x
    x = 380,108,035.28/16,879.23
  6. Step 6: Final answer
    x = 22,519.28

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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.