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Finding the Fourth Proportional to 64,450.80, 96,668.64 and 24,981.12

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Solution

The fourth proportional to 64,450.80, 96,668.64 and 24,981.12 is: 37,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,450.80 : 96,668.64 = 24,981.12 : x
  2. Step 2: Convert to fraction form
    64,450.80/96,668.64 = 24,981.12/x
  3. Step 3: Cross multiply
    64,450.80x = 96,668.64 × 24,981.12
  4. Step 4: Simplify right side
    64,450.80x = 2,414,890,896.08
  5. Step 5: Solve for x
    x = 2,414,890,896.08/64,450.80
  6. Step 6: Final answer
    x = 37,468.75

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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.