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Finding the Fourth Proportional to 66,770.95, 92,143.94 and 36,558.23

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Solution

The fourth proportional to 66,770.95, 92,143.94 and 36,558.23 is: 50,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,770.95 : 92,143.94 = 36,558.23 : x
  2. Step 2: Convert to fraction form
    66,770.95/92,143.94 = 36,558.23/x
  3. Step 3: Cross multiply
    66,770.95x = 92,143.94 × 36,558.23
  4. Step 4: Simplify right side
    66,770.95x = 3,368,619,351.63
  5. Step 5: Solve for x
    x = 3,368,619,351.63/66,770.95
  6. Step 6: Final answer
    x = 50,450.37

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1.5x scale

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.