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Finding the Fourth Proportional to 64,376.50, 96,560.43 and 17,629.78

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Solution

The fourth proportional to 64,376.50, 96,560.43 and 17,629.78 is: 26,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.50 : 96,560.43 = 17,629.78 : x
  2. Step 2: Convert to fraction form
    64,376.50/96,560.43 = 17,629.78/x
  3. Step 3: Cross multiply
    64,376.50x = 96,560.43 × 17,629.78
  4. Step 4: Simplify right side
    64,376.50x = 1,702,339,137.61
  5. Step 5: Solve for x
    x = 1,702,339,137.61/64,376.50
  6. Step 6: Final answer
    x = 26,443.49

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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.