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Finding the Fourth Proportional to 39,195, 58,802.27 and 11,493

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Solution

The fourth proportional to 39,195, 58,802.27 and 11,493 is: 17,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,195 : 58,802.27 = 11,493 : x
  2. Step 2: Convert to fraction form
    39,195/58,802.27 = 11,493/x
  3. Step 3: Cross multiply
    39,195x = 58,802.27 × 11,493
  4. Step 4: Simplify right side
    39,195x = 675,814,431.65
  5. Step 5: Solve for x
    x = 675,814,431.65/39,195
  6. Step 6: Final answer
    x = 17,242.36

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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.