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Finding the Fourth Proportional to 34,042.80, 51,064.20 and 25,294.80

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Solution

The fourth proportional to 34,042.80, 51,064.20 and 25,294.80 is: 37,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,042.80 : 51,064.20 = 25,294.80 : x
  2. Step 2: Convert to fraction form
    34,042.80/51,064.20 = 25,294.80/x
  3. Step 3: Cross multiply
    34,042.80x = 51,064.20 × 25,294.80
  4. Step 4: Simplify right side
    34,042.80x = 1,291,658,726.16
  5. Step 5: Solve for x
    x = 1,291,658,726.16/34,042.80
  6. Step 6: Final answer
    x = 37,942.20

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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.