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Finding the Fourth Proportional to 64,536.21, 96,754.91 and 36,487.94

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Solution

The fourth proportional to 64,536.21, 96,754.91 and 36,487.94 is: 54,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,536.21 : 96,754.91 = 36,487.94 : x
  2. Step 2: Convert to fraction form
    64,536.21/96,754.91 = 36,487.94/x
  3. Step 3: Cross multiply
    64,536.21x = 96,754.91 × 36,487.94
  4. Step 4: Simplify right side
    64,536.21x = 3,530,386,684.57
  5. Step 5: Solve for x
    x = 3,530,386,684.57/64,536.21
  6. Step 6: Final answer
    x = 54,703.97

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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.