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Finding the Fourth Proportional to 69,043.33, 103,569.32 and 27,489.25

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Solution

The fourth proportional to 69,043.33, 103,569.32 and 27,489.25 is: 41,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,043.33 : 103,569.32 = 27,489.25 : x
  2. Step 2: Convert to fraction form
    69,043.33/103,569.32 = 27,489.25/x
  3. Step 3: Cross multiply
    69,043.33x = 103,569.32 × 27,489.25
  4. Step 4: Simplify right side
    69,043.33x = 2,847,042,929.81
  5. Step 5: Solve for x
    x = 2,847,042,929.81/69,043.33
  6. Step 6: Final answer
    x = 41,235.60

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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.