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Finding the Fourth Proportional to 66,377.58, 91,599.99 and 36,163.26

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Solution

The fourth proportional to 66,377.58, 91,599.99 and 36,163.26 is: 49,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,377.58 : 91,599.99 = 36,163.26 : x
  2. Step 2: Convert to fraction form
    66,377.58/91,599.99 = 36,163.26/x
  3. Step 3: Cross multiply
    66,377.58x = 91,599.99 × 36,163.26
  4. Step 4: Simplify right side
    66,377.58x = 3,312,554,254.37
  5. Step 5: Solve for x
    x = 3,312,554,254.37/66,377.58
  6. Step 6: Final answer
    x = 49,904.72

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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.