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Finding the Fourth Proportional to 63,455.33, 95,116 and 21,295.44

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Solution

The fourth proportional to 63,455.33, 95,116 and 21,295.44 is: 31,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,455.33 : 95,116 = 21,295.44 : x
  2. Step 2: Convert to fraction form
    63,455.33/95,116 = 21,295.44/x
  3. Step 3: Cross multiply
    63,455.33x = 95,116 × 21,295.44
  4. Step 4: Simplify right side
    63,455.33x = 2,025,537,071.04
  5. Step 5: Solve for x
    x = 2,025,537,071.04/63,455.33
  6. Step 6: Final answer
    x = 31,920.68

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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.