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Finding the Fourth Proportional to 66,682.56, 92,018.53 and 36,462.02

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Solution

The fourth proportional to 66,682.56, 92,018.53 and 36,462.02 is: 50,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,682.56 : 92,018.53 = 36,462.02 : x
  2. Step 2: Convert to fraction form
    66,682.56/92,018.53 = 36,462.02/x
  3. Step 3: Cross multiply
    66,682.56x = 92,018.53 × 36,462.02
  4. Step 4: Simplify right side
    66,682.56x = 3,355,181,066.72
  5. Step 5: Solve for x
    x = 3,355,181,066.72/66,682.56
  6. Step 6: Final answer
    x = 50,315.72

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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.