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Finding the Fourth Proportional to 34,148.60, 51,174.90 and 27,140.60

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Solution

The fourth proportional to 34,148.60, 51,174.90 and 27,140.60 is: 40,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,148.60 : 51,174.90 = 27,140.60 : x
  2. Step 2: Convert to fraction form
    34,148.60/51,174.90 = 27,140.60/x
  3. Step 3: Cross multiply
    34,148.60x = 51,174.90 × 27,140.60
  4. Step 4: Simplify right side
    34,148.60x = 1,388,917,490.94
  5. Step 5: Solve for x
    x = 1,388,917,490.94/34,148.60
  6. Step 6: Final answer
    x = 40,672.75

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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.