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Finding the Fourth Proportional to 62,062.84, 85,633.64 and 40,584.07

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Solution

The fourth proportional to 62,062.84, 85,633.64 and 40,584.07 is: 55,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,062.84 : 85,633.64 = 40,584.07 : x
  2. Step 2: Convert to fraction form
    62,062.84/85,633.64 = 40,584.07/x
  3. Step 3: Cross multiply
    62,062.84x = 85,633.64 × 40,584.07
  4. Step 4: Simplify right side
    62,062.84x = 3,475,361,696.43
  5. Step 5: Solve for x
    x = 3,475,361,696.43/62,062.84
  6. Step 6: Final answer
    x = 55,997.46

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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.