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Finding the Fourth Proportional to 64,014.72, 95,992.32 and 19,630.08

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Solution

The fourth proportional to 64,014.72, 95,992.32 and 19,630.08 is: 29,435.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,014.72 : 95,992.32 = 19,630.08 : x
  2. Step 2: Convert to fraction form
    64,014.72/95,992.32 = 19,630.08/x
  3. Step 3: Cross multiply
    64,014.72x = 95,992.32 × 19,630.08
  4. Step 4: Simplify right side
    64,014.72x = 1,884,336,920.99
  5. Step 5: Solve for x
    x = 1,884,336,920.99/64,014.72
  6. Step 6: Final answer
    x = 29,435.99

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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.