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Finding the Fourth Proportional to 67,157.69, 92,673.96 and 36,938.14

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Solution

The fourth proportional to 67,157.69, 92,673.96 and 36,938.14 is: 50,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157.69 : 92,673.96 = 36,938.14 : x
  2. Step 2: Convert to fraction form
    67,157.69/92,673.96 = 36,938.14/x
  3. Step 3: Cross multiply
    67,157.69x = 92,673.96 × 36,938.14
  4. Step 4: Simplify right side
    67,157.69x = 3,423,203,245.46
  5. Step 5: Solve for x
    x = 3,423,203,245.46/67,157.69
  6. Step 6: Final answer
    x = 50,972.62

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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.