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Finding the Fourth Proportional to 55,843.36, 83,752.62 and 16,389.88

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Solution

The fourth proportional to 55,843.36, 83,752.62 and 16,389.88 is: 24,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.36 : 83,752.62 = 16,389.88 : x
  2. Step 2: Convert to fraction form
    55,843.36/83,752.62 = 16,389.88/x
  3. Step 3: Cross multiply
    55,843.36x = 83,752.62 × 16,389.88
  4. Step 4: Simplify right side
    55,843.36x = 1,372,695,391.49
  5. Step 5: Solve for x
    x = 1,372,695,391.49/55,843.36
  6. Step 6: Final answer
    x = 24,581.17

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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.