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Finding the Fourth Proportional to 62,958.64, 86,883.24 and 36,102.16

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Solution

The fourth proportional to 62,958.64, 86,883.24 and 36,102.16 is: 49,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,958.64 : 86,883.24 = 36,102.16 : x
  2. Step 2: Convert to fraction form
    62,958.64/86,883.24 = 36,102.16/x
  3. Step 3: Cross multiply
    62,958.64x = 86,883.24 × 36,102.16
  4. Step 4: Simplify right side
    62,958.64x = 3,136,672,631.80
  5. Step 5: Solve for x
    x = 3,136,672,631.80/62,958.64
  6. Step 6: Final answer
    x = 49,821.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.