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Finding the Fourth Proportional to 7,024.73, 9,695.10 and 4,040.49

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Solution

The fourth proportional to 7,024.73, 9,695.10 and 4,040.49 is: 5,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.73 : 9,695.10 = 4,040.49 : x
  2. Step 2: Convert to fraction form
    7,024.73/9,695.10 = 4,040.49/x
  3. Step 3: Cross multiply
    7,024.73x = 9,695.10 × 4,040.49
  4. Step 4: Simplify right side
    7,024.73x = 39,172,954.60
  5. Step 5: Solve for x
    x = 39,172,954.60/7,024.73
  6. Step 6: Final answer
    x = 5,576.43

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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.