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Finding the Fourth Proportional to 69,051.30, 103,579.12 and 22,304.58

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Solution

The fourth proportional to 69,051.30, 103,579.12 and 22,304.58 is: 33,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,051.30 : 103,579.12 = 22,304.58 : x
  2. Step 2: Convert to fraction form
    69,051.30/103,579.12 = 22,304.58/x
  3. Step 3: Cross multiply
    69,051.30x = 103,579.12 × 22,304.58
  4. Step 4: Simplify right side
    69,051.30x = 2,310,288,768.37
  5. Step 5: Solve for x
    x = 2,310,288,768.37/69,051.30
  6. Step 6: Final answer
    x = 33,457.57

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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.