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Finding the Fourth Proportional to 64,873.66, 89,525.49 and 36,579.16

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Solution

The fourth proportional to 64,873.66, 89,525.49 and 36,579.16 is: 50,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873.66 : 89,525.49 = 36,579.16 : x
  2. Step 2: Convert to fraction form
    64,873.66/89,525.49 = 36,579.16/x
  3. Step 3: Cross multiply
    64,873.66x = 89,525.49 × 36,579.16
  4. Step 4: Simplify right side
    64,873.66x = 3,274,767,222.79
  5. Step 5: Solve for x
    x = 3,274,767,222.79/64,873.66
  6. Step 6: Final answer
    x = 50,479.15

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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.