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Finding the Fourth Proportional to 64,310.38, 96,472.25 and 17,563.25

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Solution

The fourth proportional to 64,310.38, 96,472.25 and 17,563.25 is: 26,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,310.38 : 96,472.25 = 17,563.25 : x
  2. Step 2: Convert to fraction form
    64,310.38/96,472.25 = 17,563.25/x
  3. Step 3: Cross multiply
    64,310.38x = 96,472.25 × 17,563.25
  4. Step 4: Simplify right side
    64,310.38x = 1,694,366,244.81
  5. Step 5: Solve for x
    x = 1,694,366,244.81/64,310.38
  6. Step 6: Final answer
    x = 26,346.70

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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.