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Finding the Fourth Proportional to 34,285.68, 51,390.72 and 19,462.68

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Solution

The fourth proportional to 34,285.68, 51,390.72 and 19,462.68 is: 29,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,285.68 : 51,390.72 = 19,462.68 : x
  2. Step 2: Convert to fraction form
    34,285.68/51,390.72 = 19,462.68/x
  3. Step 3: Cross multiply
    34,285.68x = 51,390.72 × 19,462.68
  4. Step 4: Simplify right side
    34,285.68x = 1,000,201,138.33
  5. Step 5: Solve for x
    x = 1,000,201,138.33/34,285.68
  6. Step 6: Final answer
    x = 29,172.56

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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.