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Finding the Fourth Proportional to 10,525.73, 15,791.73 and 3,130.43

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Solution

The fourth proportional to 10,525.73, 15,791.73 and 3,130.43 is: 4,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.73 : 15,791.73 = 3,130.43 : x
  2. Step 2: Convert to fraction form
    10,525.73/15,791.73 = 3,130.43/x
  3. Step 3: Cross multiply
    10,525.73x = 15,791.73 × 3,130.43
  4. Step 4: Simplify right side
    10,525.73x = 49,434,814.65
  5. Step 5: Solve for x
    x = 49,434,814.65/10,525.73
  6. Step 6: Final answer
    x = 4,696.57

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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.