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Finding the Fourth Proportional to 64,632.52, 96,849.82 and 43,494.20

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Solution

The fourth proportional to 64,632.52, 96,849.82 and 43,494.20 is: 65,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,632.52 : 96,849.82 = 43,494.20 : x
  2. Step 2: Convert to fraction form
    64,632.52/96,849.82 = 43,494.20/x
  3. Step 3: Cross multiply
    64,632.52x = 96,849.82 × 43,494.20
  4. Step 4: Simplify right side
    64,632.52x = 4,212,405,441.04
  5. Step 5: Solve for x
    x = 4,212,405,441.04/64,632.52
  6. Step 6: Final answer
    x = 65,174.71

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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.