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Finding the Fourth Proportional to 66,794.50, 92,176.41 and 36,986.50

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Solution

The fourth proportional to 66,794.50, 92,176.41 and 36,986.50 is: 51,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,794.50 : 92,176.41 = 36,986.50 : x
  2. Step 2: Convert to fraction form
    66,794.50/92,176.41 = 36,986.50/x
  3. Step 3: Cross multiply
    66,794.50x = 92,176.41 × 36,986.50
  4. Step 4: Simplify right side
    66,794.50x = 3,409,282,788.47
  5. Step 5: Solve for x
    x = 3,409,282,788.47/66,794.50
  6. Step 6: Final answer
    x = 51,041.37

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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.