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Finding the Fourth Proportional to 69,670.45, 104,473.72 and 22,276.32

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Solution

The fourth proportional to 69,670.45, 104,473.72 and 22,276.32 is: 33,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,670.45 : 104,473.72 = 22,276.32 : x
  2. Step 2: Convert to fraction form
    69,670.45/104,473.72 = 22,276.32/x
  3. Step 3: Cross multiply
    69,670.45x = 104,473.72 × 22,276.32
  4. Step 4: Simplify right side
    69,670.45x = 2,327,290,018.31
  5. Step 5: Solve for x
    x = 2,327,290,018.31/69,670.45
  6. Step 6: Final answer
    x = 33,404.26

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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.