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Finding the Fourth Proportional to 64,251.80, 96,328.29 and 32,635.88

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Solution

The fourth proportional to 64,251.80, 96,328.29 and 32,635.88 is: 48,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,251.80 : 96,328.29 = 32,635.88 : x
  2. Step 2: Convert to fraction form
    64,251.80/96,328.29 = 32,635.88/x
  3. Step 3: Cross multiply
    64,251.80x = 96,328.29 × 32,635.88
  4. Step 4: Simplify right side
    64,251.80x = 3,143,758,513.05
  5. Step 5: Solve for x
    x = 3,143,758,513.05/64,251.80
  6. Step 6: Final answer
    x = 48,928.72

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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.