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Finding the Fourth Proportional to 36,018.63, 54,028.89 and 9,723.29

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Solution

The fourth proportional to 36,018.63, 54,028.89 and 9,723.29 is: 14,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.63 : 54,028.89 = 9,723.29 : x
  2. Step 2: Convert to fraction form
    36,018.63/54,028.89 = 9,723.29/x
  3. Step 3: Cross multiply
    36,018.63x = 54,028.89 × 9,723.29
  4. Step 4: Simplify right side
    36,018.63x = 525,338,295.70
  5. Step 5: Solve for x
    x = 525,338,295.70/36,018.63
  6. Step 6: Final answer
    x = 14,585.18

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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.