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Finding the Fourth Proportional to 66,582.39, 91,883.22 and 36,367.72

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Solution

The fourth proportional to 66,582.39, 91,883.22 and 36,367.72 is: 50,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,582.39 : 91,883.22 = 36,367.72 : x
  2. Step 2: Convert to fraction form
    66,582.39/91,883.22 = 36,367.72/x
  3. Step 3: Cross multiply
    66,582.39x = 91,883.22 × 36,367.72
  4. Step 4: Simplify right side
    66,582.39x = 3,341,583,217.66
  5. Step 5: Solve for x
    x = 3,341,583,217.66/66,582.39
  6. Step 6: Final answer
    x = 50,187.19

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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.