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Finding the Fourth Proportional to 26,963, 40,399.78 and 16,401.06

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Solution

The fourth proportional to 26,963, 40,399.78 and 16,401.06 is: 24,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,963 : 40,399.78 = 16,401.06 : x
  2. Step 2: Convert to fraction form
    26,963/40,399.78 = 16,401.06/x
  3. Step 3: Cross multiply
    26,963x = 40,399.78 × 16,401.06
  4. Step 4: Simplify right side
    26,963x = 662,599,215.77
  5. Step 5: Solve for x
    x = 662,599,215.77/26,963
  6. Step 6: Final answer
    x = 24,574.39

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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.