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Finding the Fourth Proportional to 5,062.52, 6,986.76 and 3,072.62

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Solution

The fourth proportional to 5,062.52, 6,986.76 and 3,072.62 is: 4,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062.52 : 6,986.76 = 3,072.62 : x
  2. Step 2: Convert to fraction form
    5,062.52/6,986.76 = 3,072.62/x
  3. Step 3: Cross multiply
    5,062.52x = 6,986.76 × 3,072.62
  4. Step 4: Simplify right side
    5,062.52x = 21,467,658.51
  5. Step 5: Solve for x
    x = 21,467,658.51/5,062.52
  6. Step 6: Final answer
    x = 4,240.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.