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Finding the Fourth Proportional to 36,195.40, 54,260.70 and 23,721.40

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Solution

The fourth proportional to 36,195.40, 54,260.70 and 23,721.40 is: 35,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,195.40 : 54,260.70 = 23,721.40 : x
  2. Step 2: Convert to fraction form
    36,195.40/54,260.70 = 23,721.40/x
  3. Step 3: Cross multiply
    36,195.40x = 54,260.70 × 23,721.40
  4. Step 4: Simplify right side
    36,195.40x = 1,287,139,768.98
  5. Step 5: Solve for x
    x = 1,287,139,768.98/36,195.40
  6. Step 6: Final answer
    x = 35,560.87

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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.