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Finding the Fourth Proportional to 54,246.88, 81,307.92 and 33,992.80

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Solution

The fourth proportional to 54,246.88, 81,307.92 and 33,992.80 is: 50,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,246.88 : 81,307.92 = 33,992.80 : x
  2. Step 2: Convert to fraction form
    54,246.88/81,307.92 = 33,992.80/x
  3. Step 3: Cross multiply
    54,246.88x = 81,307.92 × 33,992.80
  4. Step 4: Simplify right side
    54,246.88x = 2,763,883,862.98
  5. Step 5: Solve for x
    x = 2,763,883,862.98/54,246.88
  6. Step 6: Final answer
    x = 50,950.10

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1.5x scale

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.