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Finding the Fourth Proportional to 36,540, 54,798.85 and 19,000.26

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Solution

The fourth proportional to 36,540, 54,798.85 and 19,000.26 is: 28,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,540 : 54,798.85 = 19,000.26 : x
  2. Step 2: Convert to fraction form
    36,540/54,798.85 = 19,000.26/x
  3. Step 3: Cross multiply
    36,540x = 54,798.85 × 19,000.26
  4. Step 4: Simplify right side
    36,540x = 1,041,192,397.70
  5. Step 5: Solve for x
    x = 1,041,192,397.70/36,540
  6. Step 6: Final answer
    x = 28,494.59

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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.