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Finding the Fourth Proportional to 36,191.40, 54,200.70 and 36,191.40

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Solution

The fourth proportional to 36,191.40, 54,200.70 and 36,191.40 is: 54,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,191.40 : 54,200.70 = 36,191.40 : x
  2. Step 2: Convert to fraction form
    36,191.40/54,200.70 = 36,191.40/x
  3. Step 3: Cross multiply
    36,191.40x = 54,200.70 × 36,191.40
  4. Step 4: Simplify right side
    36,191.40x = 1,961,599,213.98
  5. Step 5: Solve for x
    x = 1,961,599,213.98/36,191.40
  6. Step 6: Final answer
    x = 54,200.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.