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Finding the Fourth Proportional to 64,873.98, 89,529.21 and 36,579.06

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Solution

The fourth proportional to 64,873.98, 89,529.21 and 36,579.06 is: 50,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873.98 : 89,529.21 = 36,579.06 : x
  2. Step 2: Convert to fraction form
    64,873.98/89,529.21 = 36,579.06/x
  3. Step 3: Cross multiply
    64,873.98x = 89,529.21 × 36,579.06
  4. Step 4: Simplify right side
    64,873.98x = 3,274,894,344.34
  5. Step 5: Solve for x
    x = 3,274,894,344.34/64,873.98
  6. Step 6: Final answer
    x = 50,480.86

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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.