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Finding the Fourth Proportional to 20,174.70, 30,204.45 and 19,598.70

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Solution

The fourth proportional to 20,174.70, 30,204.45 and 19,598.70 is: 29,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.70 : 30,204.45 = 19,598.70 : x
  2. Step 2: Convert to fraction form
    20,174.70/30,204.45 = 19,598.70/x
  3. Step 3: Cross multiply
    20,174.70x = 30,204.45 × 19,598.70
  4. Step 4: Simplify right side
    20,174.70x = 591,967,954.22
  5. Step 5: Solve for x
    x = 591,967,954.22/20,174.70
  6. Step 6: Final answer
    x = 29,342.09

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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.