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Finding the Fourth Proportional to 62,992.90, 94,028.54 and 55,519.74

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Solution

The fourth proportional to 62,992.90, 94,028.54 and 55,519.74 is: 82,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,992.90 : 94,028.54 = 55,519.74 : x
  2. Step 2: Convert to fraction form
    62,992.90/94,028.54 = 55,519.74/x
  3. Step 3: Cross multiply
    62,992.90x = 94,028.54 × 55,519.74
  4. Step 4: Simplify right side
    62,992.90x = 5,220,439,815.78
  5. Step 5: Solve for x
    x = 5,220,439,815.78/62,992.90
  6. Step 6: Final answer
    x = 82,873.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.