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Finding the Fourth Proportional to 39,395, 59,059.35 and 18,324.34

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Solution

The fourth proportional to 39,395, 59,059.35 and 18,324.34 is: 27,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,395 : 59,059.35 = 18,324.34 : x
  2. Step 2: Convert to fraction form
    39,395/59,059.35 = 18,324.34/x
  3. Step 3: Cross multiply
    39,395x = 59,059.35 × 18,324.34
  4. Step 4: Simplify right side
    39,395x = 1,082,223,609.58
  5. Step 5: Solve for x
    x = 1,082,223,609.58/39,395
  6. Step 6: Final answer
    x = 27,471.09

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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.