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Finding the Fourth Proportional to 69,809.30, 104,774.41 and 36,552.62

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Solution

The fourth proportional to 69,809.30, 104,774.41 and 36,552.62 is: 54,860.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,809.30 : 104,774.41 = 36,552.62 : x
  2. Step 2: Convert to fraction form
    69,809.30/104,774.41 = 36,552.62/x
  3. Step 3: Cross multiply
    69,809.30x = 104,774.41 × 36,552.62
  4. Step 4: Simplify right side
    69,809.30x = 3,829,779,194.45
  5. Step 5: Solve for x
    x = 3,829,779,194.45/69,809.30
  6. Step 6: Final answer
    x = 54,860.59

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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.