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Finding the Fourth Proportional to 36,195.90, 54,261.45 and 23,721.90

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Solution

The fourth proportional to 36,195.90, 54,261.45 and 23,721.90 is: 35,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,195.90 : 54,261.45 = 23,721.90 : x
  2. Step 2: Convert to fraction form
    36,195.90/54,261.45 = 23,721.90/x
  3. Step 3: Cross multiply
    36,195.90x = 54,261.45 × 23,721.90
  4. Step 4: Simplify right side
    36,195.90x = 1,287,184,690.76
  5. Step 5: Solve for x
    x = 1,287,184,690.76/36,195.90
  6. Step 6: Final answer
    x = 35,561.62

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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.