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Finding the Fourth Proportional to 58,506.87, 87,743.55 and 19,067.43

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Solution

The fourth proportional to 58,506.87, 87,743.55 and 19,067.43 is: 28,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,506.87 : 87,743.55 = 19,067.43 : x
  2. Step 2: Convert to fraction form
    58,506.87/87,743.55 = 19,067.43/x
  3. Step 3: Cross multiply
    58,506.87x = 87,743.55 × 19,067.43
  4. Step 4: Simplify right side
    58,506.87x = 1,673,043,997.58
  5. Step 5: Solve for x
    x = 1,673,043,997.58/58,506.87
  6. Step 6: Final answer
    x = 28,595.68

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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.