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Finding the Fourth Proportional to 63,345.92, 95,005.04 and 21,231.92

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Solution

The fourth proportional to 63,345.92, 95,005.04 and 21,231.92 is: 31,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,345.92 : 95,005.04 = 21,231.92 : x
  2. Step 2: Convert to fraction form
    63,345.92/95,005.04 = 21,231.92/x
  3. Step 3: Cross multiply
    63,345.92x = 95,005.04 × 21,231.92
  4. Step 4: Simplify right side
    63,345.92x = 2,017,139,408.88
  5. Step 5: Solve for x
    x = 2,017,139,408.88/63,345.92
  6. Step 6: Final answer
    x = 31,843.24

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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.