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Finding the Fourth Proportional to 51,791.99, 77,632.17 and 25,081.43

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Solution

The fourth proportional to 51,791.99, 77,632.17 and 25,081.43 is: 37,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,791.99 : 77,632.17 = 25,081.43 : x
  2. Step 2: Convert to fraction form
    51,791.99/77,632.17 = 25,081.43/x
  3. Step 3: Cross multiply
    51,791.99x = 77,632.17 × 25,081.43
  4. Step 4: Simplify right side
    51,791.99x = 1,947,125,324.04
  5. Step 5: Solve for x
    x = 1,947,125,324.04/51,791.99
  6. Step 6: Final answer
    x = 37,595.11

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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.