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Finding the Fourth Proportional to 58,096.87, 87,137.07 and 18,648.79

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Solution

The fourth proportional to 58,096.87, 87,137.07 and 18,648.79 is: 27,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,096.87 : 87,137.07 = 18,648.79 : x
  2. Step 2: Convert to fraction form
    58,096.87/87,137.07 = 18,648.79/x
  3. Step 3: Cross multiply
    58,096.87x = 87,137.07 × 18,648.79
  4. Step 4: Simplify right side
    58,096.87x = 1,625,000,919.65
  5. Step 5: Solve for x
    x = 1,625,000,919.65/58,096.87
  6. Step 6: Final answer
    x = 27,970.54

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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.