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Finding the Fourth Proportional to 34,149.60, 51,262.80 and 26,392.80

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Solution

The fourth proportional to 34,149.60, 51,262.80 and 26,392.80 is: 39,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,149.60 : 51,262.80 = 26,392.80 : x
  2. Step 2: Convert to fraction form
    34,149.60/51,262.80 = 26,392.80/x
  3. Step 3: Cross multiply
    34,149.60x = 51,262.80 × 26,392.80
  4. Step 4: Simplify right side
    34,149.60x = 1,352,968,827.84
  5. Step 5: Solve for x
    x = 1,352,968,827.84/34,149.60
  6. Step 6: Final answer
    x = 39,618.88

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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.