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Finding the Fourth Proportional to 64,375.86, 96,563.70 and 17,632.38

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Solution

The fourth proportional to 64,375.86, 96,563.70 and 17,632.38 is: 26,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,375.86 : 96,563.70 = 17,632.38 : x
  2. Step 2: Convert to fraction form
    64,375.86/96,563.70 = 17,632.38/x
  3. Step 3: Cross multiply
    64,375.86x = 96,563.70 × 17,632.38
  4. Step 4: Simplify right side
    64,375.86x = 1,702,647,852.61
  5. Step 5: Solve for x
    x = 1,702,647,852.61/64,375.86
  6. Step 6: Final answer
    x = 26,448.55

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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.