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Finding the Fourth Proportional to 69,014.76, 103,522 and 21,633.52

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Solution

The fourth proportional to 69,014.76, 103,522 and 21,633.52 is: 32,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,014.76 : 103,522 = 21,633.52 : x
  2. Step 2: Convert to fraction form
    69,014.76/103,522 = 21,633.52/x
  3. Step 3: Cross multiply
    69,014.76x = 103,522 × 21,633.52
  4. Step 4: Simplify right side
    69,014.76x = 2,239,545,257.44
  5. Step 5: Solve for x
    x = 2,239,545,257.44/69,014.76
  6. Step 6: Final answer
    x = 32,450.24

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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.