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Finding the Fourth Proportional to 74,525.77, 111,776.50 and 21,922.95

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Solution

The fourth proportional to 74,525.77, 111,776.50 and 21,922.95 is: 32,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,525.77 : 111,776.50 = 21,922.95 : x
  2. Step 2: Convert to fraction form
    74,525.77/111,776.50 = 21,922.95/x
  3. Step 3: Cross multiply
    74,525.77x = 111,776.50 × 21,922.95
  4. Step 4: Simplify right side
    74,525.77x = 2,450,470,511.06
  5. Step 5: Solve for x
    x = 2,450,470,511.06/74,525.77
  6. Step 6: Final answer
    x = 32,880.85

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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.