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Finding the Fourth Proportional to 66,498.82, 91,704.36 and 44,744.11

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Solution

The fourth proportional to 66,498.82, 91,704.36 and 44,744.11 is: 61,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498.82 : 91,704.36 = 44,744.11 : x
  2. Step 2: Convert to fraction form
    66,498.82/91,704.36 = 44,744.11/x
  3. Step 3: Cross multiply
    66,498.82x = 91,704.36 × 44,744.11
  4. Step 4: Simplify right side
    66,498.82x = 4,103,229,971.32
  5. Step 5: Solve for x
    x = 4,103,229,971.32/66,498.82
  6. Step 6: Final answer
    x = 61,703.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.