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Finding the Fourth Proportional to 67,157.59, 92,677.68 and 36,945.20

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Solution

The fourth proportional to 67,157.59, 92,677.68 and 36,945.20 is: 50,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157.59 : 92,677.68 = 36,945.20 : x
  2. Step 2: Convert to fraction form
    67,157.59/92,677.68 = 36,945.20/x
  3. Step 3: Cross multiply
    67,157.59x = 92,677.68 × 36,945.20
  4. Step 4: Simplify right side
    67,157.59x = 3,423,995,423.14
  5. Step 5: Solve for x
    x = 3,423,995,423.14/67,157.59
  6. Step 6: Final answer
    x = 50,984.49

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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.