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Finding the Fourth Proportional to 25,190.48, 37,791.48 and 7,662.80

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Solution

The fourth proportional to 25,190.48, 37,791.48 and 7,662.80 is: 11,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.48 : 37,791.48 = 7,662.80 : x
  2. Step 2: Convert to fraction form
    25,190.48/37,791.48 = 7,662.80/x
  3. Step 3: Cross multiply
    25,190.48x = 37,791.48 × 7,662.80
  4. Step 4: Simplify right side
    25,190.48x = 289,588,552.94
  5. Step 5: Solve for x
    x = 289,588,552.94/25,190.48
  6. Step 6: Final answer
    x = 11,495.95

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1.5x scale

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.