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Finding the Fourth Proportional to 69,735.84, 104,617.68 and 36,470.88

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Solution

The fourth proportional to 69,735.84, 104,617.68 and 36,470.88 is: 54,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,735.84 : 104,617.68 = 36,470.88 : x
  2. Step 2: Convert to fraction form
    69,735.84/104,617.68 = 36,470.88/x
  3. Step 3: Cross multiply
    69,735.84x = 104,617.68 × 36,470.88
  4. Step 4: Simplify right side
    69,735.84x = 3,815,498,853.16
  5. Step 5: Solve for x
    x = 3,815,498,853.16/69,735.84
  6. Step 6: Final answer
    x = 54,713.60

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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.