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Finding the Fourth Proportional to 62,694.44, 86,523.75 and 34,405.59

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Solution

The fourth proportional to 62,694.44, 86,523.75 and 34,405.59 is: 47,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,694.44 : 86,523.75 = 34,405.59 : x
  2. Step 2: Convert to fraction form
    62,694.44/86,523.75 = 34,405.59/x
  3. Step 3: Cross multiply
    62,694.44x = 86,523.75 × 34,405.59
  4. Step 4: Simplify right side
    62,694.44x = 2,976,900,667.76
  5. Step 5: Solve for x
    x = 2,976,900,667.76/62,694.44
  6. Step 6: Final answer
    x = 47,482.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.