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Finding the Fourth Proportional to 62,817.82, 86,693.40 and 35,968.74

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Solution

The fourth proportional to 62,817.82, 86,693.40 and 35,968.74 is: 49,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,817.82 : 86,693.40 = 35,968.74 : x
  2. Step 2: Convert to fraction form
    62,817.82/86,693.40 = 35,968.74/x
  3. Step 3: Cross multiply
    62,817.82x = 86,693.40 × 35,968.74
  4. Step 4: Simplify right side
    62,817.82x = 3,118,252,364.32
  5. Step 5: Solve for x
    x = 3,118,252,364.32/62,817.82
  6. Step 6: Final answer
    x = 49,639.61

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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.