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Finding the Fourth Proportional to 64,675.94, 89,252.46 and 36,381.83

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Solution

The fourth proportional to 64,675.94, 89,252.46 and 36,381.83 is: 50,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,675.94 : 89,252.46 = 36,381.83 : x
  2. Step 2: Convert to fraction form
    64,675.94/89,252.46 = 36,381.83/x
  3. Step 3: Cross multiply
    64,675.94x = 89,252.46 × 36,381.83
  4. Step 4: Simplify right side
    64,675.94x = 3,247,167,826.80
  5. Step 5: Solve for x
    x = 3,247,167,826.80/64,675.94
  6. Step 6: Final answer
    x = 50,206.74

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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.