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Finding the Fourth Proportional to 64,022.78, 96,039.30 and 17,274.98

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Solution

The fourth proportional to 64,022.78, 96,039.30 and 17,274.98 is: 25,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,022.78 : 96,039.30 = 17,274.98 : x
  2. Step 2: Convert to fraction form
    64,022.78/96,039.30 = 17,274.98/x
  3. Step 3: Cross multiply
    64,022.78x = 96,039.30 × 17,274.98
  4. Step 4: Simplify right side
    64,022.78x = 1,659,076,986.71
  5. Step 5: Solve for x
    x = 1,659,076,986.71/64,022.78
  6. Step 6: Final answer
    x = 25,913.85

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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.