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Finding the Fourth Proportional to 66,958.80, 92,404.11 and 36,743.58

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Solution

The fourth proportional to 66,958.80, 92,404.11 and 36,743.58 is: 50,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.80 : 92,404.11 = 36,743.58 : x
  2. Step 2: Convert to fraction form
    66,958.80/92,404.11 = 36,743.58/x
  3. Step 3: Cross multiply
    66,958.80x = 92,404.11 × 36,743.58
  4. Step 4: Simplify right side
    66,958.80x = 3,395,257,808.11
  5. Step 5: Solve for x
    x = 3,395,257,808.11/66,958.80
  6. Step 6: Final answer
    x = 50,706.67

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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.