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Finding the Fourth Proportional to 45,807.14, 68,694.52 and 21,788.62

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Solution

The fourth proportional to 45,807.14, 68,694.52 and 21,788.62 is: 32,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,807.14 : 68,694.52 = 21,788.62 : x
  2. Step 2: Convert to fraction form
    45,807.14/68,694.52 = 21,788.62/x
  3. Step 3: Cross multiply
    45,807.14x = 68,694.52 × 21,788.62
  4. Step 4: Simplify right side
    45,807.14x = 1,496,758,792.36
  5. Step 5: Solve for x
    x = 1,496,758,792.36/45,807.14
  6. Step 6: Final answer
    x = 32,675.23

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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.