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Finding the Fourth Proportional to 4,846.47, 7,270.11 and 1,515.48

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Solution

The fourth proportional to 4,846.47, 7,270.11 and 1,515.48 is: 2,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,846.47 : 7,270.11 = 1,515.48 : x
  2. Step 2: Convert to fraction form
    4,846.47/7,270.11 = 1,515.48/x
  3. Step 3: Cross multiply
    4,846.47x = 7,270.11 × 1,515.48
  4. Step 4: Simplify right side
    4,846.47x = 11,017,706.30
  5. Step 5: Solve for x
    x = 11,017,706.30/4,846.47
  6. Step 6: Final answer
    x = 2,273.35

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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.