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Finding the Fourth Proportional to 65,524, 90,425.04 and 37,230.88

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Solution

The fourth proportional to 65,524, 90,425.04 and 37,230.88 is: 51,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,524 : 90,425.04 = 37,230.88 : x
  2. Step 2: Convert to fraction form
    65,524/90,425.04 = 37,230.88/x
  3. Step 3: Cross multiply
    65,524x = 90,425.04 × 37,230.88
  4. Step 4: Simplify right side
    65,524x = 3,366,603,813.24
  5. Step 5: Solve for x
    x = 3,366,603,813.24/65,524
  6. Step 6: Final answer
    x = 51,379.71

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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.