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Finding the Fourth Proportional to 62,690.81, 94,068.54 and 41,645.39

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Solution

The fourth proportional to 62,690.81, 94,068.54 and 41,645.39 is: 62,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,690.81 : 94,068.54 = 41,645.39 : x
  2. Step 2: Convert to fraction form
    62,690.81/94,068.54 = 41,645.39/x
  3. Step 3: Cross multiply
    62,690.81x = 94,068.54 × 41,645.39
  4. Step 4: Simplify right side
    62,690.81x = 3,917,520,564.69
  5. Step 5: Solve for x
    x = 3,917,520,564.69/62,690.81
  6. Step 6: Final answer
    x = 62,489.56

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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.