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Finding the Fourth Proportional to 69,323.76, 103,992.93 and 22,580.28

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Solution

The fourth proportional to 69,323.76, 103,992.93 and 22,580.28 is: 33,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,323.76 : 103,992.93 = 22,580.28 : x
  2. Step 2: Convert to fraction form
    69,323.76/103,992.93 = 22,580.28/x
  3. Step 3: Cross multiply
    69,323.76x = 103,992.93 × 22,580.28
  4. Step 4: Simplify right side
    69,323.76x = 2,348,189,477.42
  5. Step 5: Solve for x
    x = 2,348,189,477.42/69,323.76
  6. Step 6: Final answer
    x = 33,872.79

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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.