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Finding the Fourth Proportional to 66,739.82, 92,099.72 and 36,524.53

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Solution

The fourth proportional to 66,739.82, 92,099.72 and 36,524.53 is: 50,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739.82 : 92,099.72 = 36,524.53 : x
  2. Step 2: Convert to fraction form
    66,739.82/92,099.72 = 36,524.53/x
  3. Step 3: Cross multiply
    66,739.82x = 92,099.72 × 36,524.53
  4. Step 4: Simplify right side
    66,739.82x = 3,363,898,343.01
  5. Step 5: Solve for x
    x = 3,363,898,343.01/66,739.82
  6. Step 6: Final answer
    x = 50,403.17

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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.