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Finding the Fourth Proportional to 26,663, 40,018.76 and 14,193.48

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Solution

The fourth proportional to 26,663, 40,018.76 and 14,193.48 is: 21,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663 : 40,018.76 = 14,193.48 : x
  2. Step 2: Convert to fraction form
    26,663/40,018.76 = 14,193.48/x
  3. Step 3: Cross multiply
    26,663x = 40,018.76 × 14,193.48
  4. Step 4: Simplify right side
    26,663x = 568,005,469.68
  5. Step 5: Solve for x
    x = 568,005,469.68/26,663
  6. Step 6: Final answer
    x = 21,303.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.