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Finding the Fourth Proportional to 63,564.90, 95,348.16 and 43,838.16

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Solution

The fourth proportional to 63,564.90, 95,348.16 and 43,838.16 is: 65,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,564.90 : 95,348.16 = 43,838.16 : x
  2. Step 2: Convert to fraction form
    63,564.90/95,348.16 = 43,838.16/x
  3. Step 3: Cross multiply
    63,564.90x = 95,348.16 × 43,838.16
  4. Step 4: Simplify right side
    63,564.90x = 4,179,887,893.79
  5. Step 5: Solve for x
    x = 4,179,887,893.79/63,564.90
  6. Step 6: Final answer
    x = 65,757.80

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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.