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Finding the Fourth Proportional to 66,851.52, 92,253.84 and 36,636

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Solution

The fourth proportional to 66,851.52, 92,253.84 and 36,636 is: 50,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851.52 : 92,253.84 = 36,636 : x
  2. Step 2: Convert to fraction form
    66,851.52/92,253.84 = 36,636/x
  3. Step 3: Cross multiply
    66,851.52x = 92,253.84 × 36,636
  4. Step 4: Simplify right side
    66,851.52x = 3,379,811,682.24
  5. Step 5: Solve for x
    x = 3,379,811,682.24/66,851.52
  6. Step 6: Final answer
    x = 50,556.99

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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.