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Finding the Fourth Proportional to 63,620, 95,416.88 and 36,949.28

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Solution

The fourth proportional to 63,620, 95,416.88 and 36,949.28 is: 55,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620 : 95,416.88 = 36,949.28 : x
  2. Step 2: Convert to fraction form
    63,620/95,416.88 = 36,949.28/x
  3. Step 3: Cross multiply
    63,620x = 95,416.88 × 36,949.28
  4. Step 4: Simplify right side
    63,620x = 3,525,585,015.85
  5. Step 5: Solve for x
    x = 3,525,585,015.85/63,620
  6. Step 6: Final answer
    x = 55,416.30

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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.