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Finding the Fourth Proportional to 62,067.30, 93,028.04 and 28,716.90

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Solution

The fourth proportional to 62,067.30, 93,028.04 and 28,716.90 is: 43,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,067.30 : 93,028.04 = 28,716.90 : x
  2. Step 2: Convert to fraction form
    62,067.30/93,028.04 = 28,716.90/x
  3. Step 3: Cross multiply
    62,067.30x = 93,028.04 × 28,716.90
  4. Step 4: Simplify right side
    62,067.30x = 2,671,476,921.88
  5. Step 5: Solve for x
    x = 2,671,476,921.88/62,067.30
  6. Step 6: Final answer
    x = 43,041.62

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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.